Professor Dajun Guo: a true mathematician and educator

Jin Sun1, Xing‐Bin Pan2, Yihong Du3, Zhaoli Liu4, Zhitao Zhang5
1Department of Mathematics, Jiangsu Normal University, Xuzhou, Jiangsu, 221116, People’s Republic of China
2Department of Mathematics, East China Normal University, Shanghai 200062, People's Republic of China
3School of Science and Technology, University of New England, Armidale, NSW, 2351, Australia
4School of Mathematical Sciences, Capital Normal University, Beijing 100048, People’s Republic of China
5Academy of Mathematics and Systems Science, The Chinese Academy of Sciences, No. 55, Zhongguancun East Road, Beijing, 100190, People’s Republic of China

Tóm tắt

Từ khóa


Tài liệu tham khảo

Guo, D.: Properties of Stieltjes integral of order 2. J. Sichuan Univ. (Natural Science Edition). (1), 21–32 (1955) (In Chinese)

Guo, D.: Uniformly complete continuity and norml approximation J. Sichuan Univ. (Natural Science Edition). (1), 79–96 (1957) (In Chinese)

Guo, D.: Sufficient conditions of uniformly complete continuity. J. Sichuan Univ. (Natural Science Edition). (2), 197–211 (1957) (In Chinese)

Guo, D.: On the existence and uniqueness and convergence of solutions for infinitely many linear operator equations. J. Shandong Univ. (Natural Science Edition). (1), 129–140 (1957) (In Chinese)

Guo, D.: On dimensions of ranges of linear operators. J. Shandong Univ. (Natural Science Edition). (1), 141–143 (1957) (In Chinese)

Guo, D.: On the factor splitting of integral kernels. J. Shandong Univ. (Natural Science Edition). (1), 69–74 (1958) (In Chinese)

Guo, D.: Some theorems of uniformly complete continuity. J. Sichuan Univ. (Natural Science Edition). (1), 1–6 (1958) (In Chinese)

Guo, D.: On $$B^*$$-compactness and $$B$$-compactness of sets in Orlicz spaces. J. Sichuan Univ. (Natural Science Edition). (1), 37–62 (1958) (In Chinese)

Guo, D.: On stability of solutions of linear integral equations. Scientia Sinica 8(4), 331–356 (1959). (In Russian)

Guo, D.: Stability of solutions for Volterra integral equations. J. Shandong Univ. (Natural Science Edition). (1), 107–112 (1959) (In Chinese)

Guo, D.: Covexity properties of space $$H^p$$. J. Shandong Univ. (Natural Science Edition). (3), 16–23 (1959) (In Chinese)

Guo, D.: Approximate solution of functional equation (I). J. Shandong Univ. (Natural Science Edition). (1), 67–80 (1960) (In Chinese)

Guo, D.: Approximate solution of functional equation (II). J. Shandong Univ. (Natural Science Edition). (3), 34–51 (1960) (In Chinese)

Guo, D.: Compactness of sets in Orlicz spaces. J. Shandong Univ. (Natural Science Edition). (3), 1–24 (1961). (In Chinese)

Guo, D.: Some properties of the Sobolev space $$W^{(l)}_p$$. J. Shandong Univ. (Natural Science Edition). (4), 1–20 (1961) (In Chinese)

Guo, D.: On the uniformly complete continuity of sets of operators. J. Shandong Univ. (Natural Science Edition). (2), 1–25 (1962) (In Chinese)

Guo, D.: Complete continuity of Urison operator. Scientia Sinica 11(4), 437–452 (1962) (In Russian)

Guo, D.: Further discussion for complete continuity of Urison operator. J. Shandong Univ. (Natural Science Edition). (2), 26–39 (1963) (In Chinese)

Guo, D.: Properties of Nemiskii operator and applications. Adv. Math. (China) 6(1), 70–91 (1963) (In Chinese)

Guo, D.: Some results of nonlinear integral equations and integral operators. J. Shandong Univ. (Natural Science Edition). (3), 8–21 (1964) (In Chinese)

Guo, D.: On tangent hyperbola process and Chebisev process. J. Shandong Univ. (Natural Science Edition). (4), 12–28 (1964) (In Chinese)

Guo, D.: Differentiability of Urison operator. J. Shandong Univ. (Natural Science Edition) (1), 1–6 (1965) (In Chinese)

Guo, D.: Solvability of Hammerstein nonlinear integral equations. Acta Math. Sinica 16(2), 137–149 (1966). (In Chinese)

Guo, D.: Proper values of Hammerstein nonlinear integral equations. Acta Math. Sinica 20(2), 99–108 (1977). (In Chinese)

Guo, D.: The solution of a nonlinear integral equation in nuclear physics. Kexue Tongbao 23(1), 27–31 (1978).(In Chinese)

Guo, D.: Nontrivial solutions of Hammerstein nonlinear integral equations. Kexue Tongbao 24(5), 193–197 (1979). (In Chinese)

Guo, D., Zhang, Q.: On the uniqueness of the solution of a nonlinear integral equation in nuclear physics. Kexue Tongbao 24(15), 678–681 (1979). (In Chinese)

Guo, D.: The solution for a nonlinear integral equation in the neutron transport theory. Acta Math. Sinica 22(2), 231–236 (1979). (In Chinese)

Guo, D.: The number of positive solutions of Hammerstein nonlinear integral equations. Acta Math. Sinica 22(5), 584–595 (1979). (In Chinese)

Guo, D.: Eigenvalues and eigenvectors of Hammerstein integral equations with degenerate kernels. J. Shandong Univ. (Natural Science Edition) 2, 20–28 (1979). (In Chinese)

Guo, D.: A new fixed-point theorem. Acta Math. Sinica 24(3), 444–450 (1981). (In Chinese)

Guo, D.: Eigenvalues and eigenfunctions of nonlinear operators. Chin. Ann. Math. (English Edition) 2(4), 65–80 (1981)

Guo, D.: Eigenvalues and eigenvectors of nonlinear completely continuous operators. J. Shandong Univ. (Natural Science Edition). (1), 7–15 (1981). (In Chinese)

Guo, D.: The positive spectrum of the limit operator of some nonlinear operators. J. Shandong Univ. (Natural Science Edition). (3), 1–19 (1981). (In Chinese)

Guo, D.: On the fixed point theorem of cone expansion and compression. Kexue Tongbao (English Edition) 27(6), 685 (1982)

Guo, D.: Positive solutions of Lyapunov-Lichtenstein nonlinear integral equation. J. Shandong Univ. (Natural Science Edition). (3), 1–11 (1982). (In Chinese)

Guo, D.: Eigenvalues and eigenfunctions of Hammerstein integral equations. Acta Math. Sinica 25(4), 419–426 (1982). (In Chinese)

Guo, D.: The number of nontrivial solutions of Hammerstein integral equations and their applications. Kexue Tongbao (English Edition) 27(7), 694–698 (1982)

Guo, D.: Positive solutions of Hammerstein integral equations of polynomial type with applications. Chin. Ann. Math. Ser. A 4(5), 645–656 (1983). (In Chinese. An English summary appears in: Chinese Ann. Math. Ser. B, 4(4) (1983), 529–530.)

Guo, D.: On some fixed point theorems for cone mappings. Kexue Tongbao (Chinese Edition) 28(20), 1217–1219 (1983). (English Edition, 29(5) (1984), 575–578)

Guo, D.: A fixed point theorem for decreasing operators with applications. Kexue Tongbao (Chinese Edition) 29(3), 189 (1984)

Guo, D.: The number of nontrivial solutions of nonlinear two-point boundary value problems. J. Math. Res. Exposit. 4(1), 55–60 (1984)

Guo, D.: The number of positive solutions of a class of two-point boundary value problems. J. Shandong Univ. (Natural Science Edition). (Special issue), 53–60 (1984) (In Chinese)

Guo, D.: On the solutions of a nonliear integral equation in neutron transport theory. J. Shandong Univ. (Natural Science Edition). (Special issue), 61–75 (1984) (In Chinese)

Guo, D.: Positive solutions to nonlinear operator equations with applications to nonlinear integral equations. Adv. Math. (China) 13(4), 294–310 (1984). (In Chinese)

Guo, D.: On the existence and uniqueness of positive fixed points of decreasing operaors. J. Shandong Univ. (Natural Science Edition). (1), 1–8 (1985) (In Chinese)

Guo, D.: Positive eigenvectors of decreasing operators and applications. Northeast. Math. J. 1(1), 101–109 (1985)

Guo, D.: Fixed points and eigenvectors of concave and convex operators. Kexue Tongbao 30(15), 1132–1135 (1985). (In Chinese)

Guo, D.: Solutions of Hammerstein nonlinear integral equations and applications. J. Qufu Normal Univ. (4), 1–6 (1985) (In Chinese)

Guo, D.: The number of nontrivial solutions to Hammerstein nonlinear integral equations. Chin. Ann. Math. Ser. B 7(2), 191–204 (1986). (A Chinese summary appears in: Chin. Ann. Math. Ser. A., 7(2) (1986), 239.)

Guo, D.: Some fixed point theorems and applications. Nonlinear Anal. 10(11), 1293–1302 (1986)

Guo, D.: Multiple positive solutions of nonlinear integral equations and applications. Appl. Anal. 23(1–2), 77–84 (1986)

Guo, D.: The number of positive solutions of a nonlinear integral equation modeling infectious disease. Chin. Ann. Math. Ser. A 8(1), 27–31 (1987). (In Chinese. An English summary appears in: Chin. Ann. Math. Ser. B, 8)

Guo, D., Lakshmikantham, V.: Coupled fixed points of nonlinear operators with applications. Nonlinear Anal. 11(5), 623–632 (1987)

Guo, D.: Some fixed point theorems of expansion and compression type with applications, Nonlinear Analysis and Applications (Arlington, Tex., : edited by V. Lakshmikantham, Lecture Notes in Pure and Appl. Math., 109, Marcel Dekker Inc., New York 1987, 213–221 (1986)

Guo, D., Sun, J.: Nonlinear Integral Equations. Shandong Sci. Tech. Press, Jinan (China) (1987). (In Chinese)

Guo, D., Lakshmikantham, V.: Nonlinear Problems in Abstract Cones, Notes and Reports in Mathematics in Science and Engineering, 5. Academic Press Inc, Boston (1988)

Guo, D., Sun, J.: Some global generalizations of the Birkhoff-Kellogg theorem and applications. J. Math. Anal. Appl. 129(1), 231–242 (1988)

Guo, D.: Multiple solutions of nonlinear Fredholm integral equations in Banach spaces, Differential Equations and Applications (Columbus, OH, : edited by A. R. Aftabizadeh, Ohio Univ. Press, Athens. OH (USA) 1989, 371–375 (1988)

Guo, D., Lakshmikantham, V.: Multiple solutions of two-point boundary value problems of ordinary differential equations in Banach spaces. J. Math. Anal. Appl. 129(1), 211–222 (1988)

Guo, D., Lakshmikantham, V.: Positive solutions of nonlinear integral equations arising in infectious diseases. J. Math. Anal. Appl. 134(1), 1–8 (1988)

Guo, D.: Fixed points of mixed monotone operators with applications. Appl. Anal. 31(3), 215–224 (1988)

Guo, D., Sun, J., Qi, G.: Some extensions of the mountain pass lemma. Differ. Integral Equ. 1(3), 351–358 (1988)

Guo, D., Sun, J.: Evaluation of topological degree and applications. J. Math. Res. Exposit. 8(3), 469–480 (1988). (In Chinese)

Guo, D.: Solutions of nonlinear integro-differential equations of mixed type in Banach spaces. J. Appl. Math. Simul. 2(1), 1–11 (1989)

Guo, D.: Multiple solutions of nonlinear Fredholm integral equations in Banach spaces. Chin. Ann. Math. Ser. B 10(4), 513–519 (1989). (A Chinese summary appears in: Chin. Ann. Math. Ser. A, 10 (5) (1989), 641)

Guo, D.: Fixed point theorem for domain expansion and compression. J. Qufu Normal Univ. 15(4), 1–7 (1989). (In Chinese)

Guo, D.: Extremal solutions of nonlinear Fredholm integral equations in ordered Banach spaces. Northeast. Math. J. 7(4), 416–423 (1991)

Guo, D.: Non-negative solutions of two-point boundary value problems for nonlinear second order integro-differential equations in Banach spaces. J. Appl. Math. Stochastic Anal. 4(1), 47–69 (1991)

Guo, D.: Impulsive integral equations in Banach spaces and applications. J. Appl. Math. Stochastic Anal. 5(2), 111–122 (1992)

Erbe, L.H., Guo, D.: Periodic boundary value problems for second order integro-differential equations of mixed type. Appl. Anal. 46(3–4), 249–258 (1992)

Erbe, L.H., Guo, D., Liu, X.: Positive solutions of a class of nonlinear integral equations and applications. J. Integral Equ. Appl. 4(2), 179–195 (1992)

Erbe, L.H., Krawcewicz, W., Guo, D.: Some fixed point theorems for multivalued maps and applications. Results Math. 21(1–2), 42–64 (1992)

Guo, D.: Existence and uniqueness of positive fixed points for mixed monotone operators and applications. Appl. Anal. 46(1–2), 91–100 (1992)

Guo, D.: Multiple positive solutions of impulsive nonlinear Fredholm integral equations and applications. J. Math. Anal. Appl. 173(1), 318–324 (1993)

Guo, D.: Positive fixed points and eigenvectors of noncompact decreasing operators with applications to nonlinear integral equations. Chin. Ann. Math. Ser. B 14(4), 419–426 (1993). (A Chinese summary appears in: Chin. Ann. Math. Ser. A, 14(6) (1993), 739)

Guo, D.: Nonlinear impulsive Volterra integral equations in Banach spaces and applications. J. Appl. Math. Stochastic Anal. 6(1), 35–48 (1993)

Guo, D., Liu, X.: Extremal solutions of nonlinear impulsive integro-differential equations in Banach spaces. J. Math. Anal. Appl. 177(2), 538–552 (1993)

Guo, D.: Existence of solutions of boundary value problems for nonlinear second order impulsive differential equations in Banach spaces. J. Math. Anal. Appl. 181(2), 407–421 (1994)

Erbe, L.H., Guo, D.: Method of upper and lower solutions for nonlinear integro-differential equations of mixed type in Banach spaces. Appl. Anal. 52(1–4), 143–154 (1994)

Guo, D.: Initial value problems for integro-differential equations of Volterra type in Banach spaces. J. Appl. Math. Stochastic Anal. 7(1), 13–23 (1994)

Guo, D., Sun, J.: Some questions in the theory of ordinary differential equations in Banach spaces. Adv. Math. (China) 23(6), 492–504 (1994). (In Chinese)

Guo, D.: Proper functions of nonlinear Fredholm integral equations in Banach spaces. In: Guo, D. (ed.) Nonlinear Analysis and Applications, pp. 1–11. Beijing Sci. Tech. Press, Beijing (China) (1994). (In Chinese)

Guo, D., Erbe, L.H., Krawcewicz, W. : Positive solutions of two-point boundary value problems for nonlinear integro-differential equations in Banach spaces. Differ. Equ. Dyn. Syst. 2(3), 161–171 (1994)

Guo, D.: Extreme solutions of nonlinear second order integro-differential equations in Banach spaces. J. Appl. Math. Stochastic Anal. 8(3), 319–329 (1995)

Guo, D., Liu, X.: Multiple positive solutions of boundary-value problems for impulsive differential equations. Nonlinear Anal. 25(4), 327–337 (1995)

Liu, X., Guo, D.: Initial value problems for first order impulsive integro-differential equations in Banach spaces. Commun. Appl. Nonlinear Anal. 2(1), 65–83 (1995)

Liu, X., Guo, D.: Extremal solutions of nonlinear impulsive Fredholm integral equations in Banach spaces and applications. Differ. Equ. Dyn. Syst. 3(1), 77–88 (1995)

Guo, D.: Initial value problems for nonlinear second order impulsive integro-differential equations in Banach spaces. J. Math. Anal. Appl. 200(1), 1–13 (1996)

Guo, D., Lakshmikantham, V., Liu, X.: Nonlinear Integral Equations in Abstract Spaces, Mathematics and Its Applications, 373. Kluwer Academic Publishers Group, Dordrecht (1996)

Guo, D., Liu, X.: Impulsive integro-differential equations on unbounded domain in a Banach space. Nonlinear Stud. 3(1), 49–57 (1996)

Guo, D.: On global solutions of nonlinear integral equations in Banach spaces. Indian J. Pure Appl. Math. 27(1), 57–71 (1996)

Guo, D.: Some results on nonlinear functional analysis. In: Li, B., et al. (eds.) Functional Analysis in China, Math. Appl., 356, pp. 53–70. Kluwer Academic Publishers Group, Dordrecht (1996)

Guo, D., Liu, X.: First order impulsive integro-differential equations on unbounded domain in a Banach space. Dyn. Contin. Discrete Impuls. Syst. 2(3), 381–394 (1996)

Guo, D., Liu, X.: Periodic boundary value problems for impulsive integro-differential equations in Banach spaces. Nonlinear World 3(3), 427–441 (1996)

Guo, D.: Periodic boundary value problems for second order impulsive integro-differential equations in Banach spaces. Nonlinear Anal. 28(6), 983–997 (1997)

Guo, D.: Initial value problems for second order impulsive integro-differential equations in Banach spaces. Chin. Ann. Math. Ser. B 18(4), 439–448 (1997). (A Chinese summary appears in: Chin. Ann. Math. Ser. A, 18(5) (1997), 665)

Guo, D.: Terminal value problems of impulsive integro-differential equations in Banach spaces. J. Appl. Math. Stochastic Anal. 10(1), 71–78 (1997)

Guo, D.: Existence and Uniqueness of Solutions of Impulsive Integro-Differential Equations in Banach Spaces, Advances in Nonlinear Dynamics, 5, pp. 245–251. Gordon and Breach, Amsterdam (1997)

Liu, X., Guo, D.: Periodic boundary value problems for a class of second-order impulsive integro-differential equations in Banach spaces. J. Math. Anal. Appl. 216(1), 284–302 (1997)

Guo, D.: Minimal nonnegative solutions for impulsive integro-differential equations on unbounded domains in Banach spaces. Indian J. Pure Appl. Math. 29(1), 1–18 (1998)

Liu, X., Guo, D.: Periodic boundary value problems for impulsive integro-differential equations of mixed type in Banach spaces. Chin. Ann. Math. Ser. B 19(4), 517–528 (1998). (A Chinese summary appears in: Chin. Ann. Math. Ser. A, 19(5) (1998), 658)

Guo, D.: Boundary value problems for impulsive integro-differential equations on unbounded domains in a Banach space. Appl. Math. Comput. 99(1), 1–15 (1999)

Guo, D.: Second order impulsive integro-differential equations on unbounded domains in Banach spaces. Nonlinear Anal. Ser. A: Theory Methods 35(4), 413–423 (1999)

Guo, D.: Initial value problems for second-order integro-differential equations in Banach spaces. Nonlinear Anal. Ser. A: Theory Methods 37(3), 289–300 (1999)

Liu, X., Guo, D.: Method of upper and lower solutions for second-order impulsive integro-differential equations in a Banach space. Comput. Math. Appl. 38(3–4), 213–223 (1999)

Guo, D.: Integro-differential equations on unbounded domains in Banach spaces. Chin. Ann. Math. Ser. B 20(4), 435–446 (1999)

Guo, D.: The method of partial ordering in nonlinear analysis. J. Ningxia Univ. Nat. Sci. Ed. 20(1), 5–11 (1999). (In Chinese)

Guo, D.: Second order integro-differential equations of Volterra type on unbounded domains in Banach spaces. Nonlinear Anal. Ser. A: Theory Methods 41(3–4), 465–476 (2000)

Guo, D.: Existence and uniqueness of positive fixed points for noncompact decreasing operators. Indian J. Pure Appl. Math. 31(5), 551–562 (2000)

Guo, D.: Minimal nonnegative solutions for nth order integro-differential equations in Banach spaces. Appl. Math. Comput. 113(1), 55–65 (2000)

Guo, D.: Nonlinear functional analysis and applications. Sci. Found. China 8(1), 50–53 (2000)

Guo, D.: Integro-differential equations on unbounded domains in Banach spaces, Integral and integrodifferential equations, Ser. Math. Anal. Appl., 2, Gordon and Breach, Amsterdam, 117–124 (2000)

Guo, D.: Existence of solutions for nth-order integro-differential equations in Banach spaces. Comput. Math. Appl. 41(5–6), 597–606 (2001)

Guo, D.: Existence of solutions for nth order impulsive integro-differential equations in a Banach space. Proceedings of the Third World Congress of Nonlinear Analysis, Part 2 (Catania, 2000). Nonlinear Anal., 47(2), 741–752 (2001)

Guo, D.: Initial value problems of first order impulsive integro-differential equations on unbounded domain in a Banach space. Commun. Appl. Anal. 5(4), 523–533 (2001)

Guo, D.: A class of second-order impulsive integro-differential equations on unbounded domain in a Banach space. Appl. Math. Comput. 125(1), 59–77 (2002)

Guo, D., Liu, X.: A boundary value problem for first order impulsive integro-differential equations in Banach spaces. Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal. 9(3), 449–462 (2002)

Guo, D.: A class of nth-order impulsive integrodifferential equations in Banach spaces. Comput. Math. Appl. 44(10–11), 1339–1356 (2002)

Guo, D., Sun, J.: Ordinary Differential Equations in Abstract Spaces, 2nd edn. Shandong Sci. Tech Press, Jinan (2002). (In Chinese)

Guo, D.: Multiple positive solutions for first order nonlinear integro-differential equations in Banach spaces. Nonlinear Anal. 53(2), 183–195 (2003)

Guo, D.: A boundary value problem for nth order integro-differential equations in a Banach space. Appl. Math. Comput. 136(2–3), 571–592 (2003)

Guo, D.: Multiple positive solutions for first order nonlinear impulsive integro-differential equations in a Banach space. Appl. Math. Comput. 143(2–3), 233–249 (2003)

Guo, D., Liu, X.: A boundary value problem for second order impulsive integro-differential equations in a Banach space. Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal. 10(6), 1001–1016 (2003)

Guo, D.: Multiple positive solutions of a boundary value problem for n th-order impulsive integro-differential equations in a Banach space. Nonlinear Anal. 56(7), 985–1006 (2004)

Guo, D.: Multiple positive solutions for a class of nonlinear integro-differential equations in Banach spaces. Appl. Math. Comput. 154(2), 469–485 (2004)

Guo, D., Cho, Y.J., Zhu, J.: Partial Ordering Methods in Nonlinear Problems. Nova Science Publishers Inc, New York (2004)

Guo, D.: Multiple positive solutions for nth-order impulsive integro-differential equations in Banach spaces. Nonlinear Anal. 60(5), 955–976 (2005)

Guo, D.: Multiple positive solutions of a boundary value problem for n th-order impulsive integro-differential equations in Banach spaces. Nonlinear Anal. 63(4), 618–641 (2005)

Guo, D., Sun, J., Liu, Z.: Functional Analysis Methods in Nonlinear Ordinary Differential Equations, 2nd edn. Shandong Sci. Tech Press, Jinan (2005). (In Chinese)

Guo, D.: Extremal solutions for nth-order impulsive integro-differential equations on the half-line in Banach spaces. Nonlinear Anal. 65(3), 677–696 (2006)

Guo, D., Liu, X.: Extremal solutions for a boundary value problem of nth-order impulsive integro-differential equations in a Banach space. Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal. 13(5), 599–619 (2006)

Guo, D.: Existence of positive solutions for n th-order nonlinear impulsive singular integro-differential equations in Banach spaces. Nonlinear Anal. 68(9), 2727–2740 (2008)

Guo, D.: Positive solutions of an infinite boundary value problem for n th-order nonlinear impulsive singular integro-differential equations in Banach spaces. Nonlinear Anal. 70(5), 2078–2090 (2009)

Guo, D.: Multiple positive solutions for first order impulsive superlinear integro-differential equations on the half line. Acta Math. Sci. Ser. B (English Edition) 31(3), 1167–1178 (2011)

Guo, D.: Multiple positive solutions for first-order impulsive integrodifferential equations on the half line in Banach spaces, Inter. J. Differ. Equ., 2011, Art. ID 634612, 22 pp

Guo, D.: Multiple positive solutions for first order impulsive singular integro-differential equations on the half line. Acta Math. Sci. Ser. B (English Edition) 32(6), 2176–2190 (2012)

Guo, D.: Variational approach to a class of impulsive differential equations. Bound. Value Probl. 2014, 37 (2014)

Guo, D.: Existence of two positive solutions for a class of second order impulsive singular integro-differential equations on the half line. Bound. Value Probl. 2015, 76 (2015)

Guo, D.: Nonlinear Functional Analysis, 3rd edn. Higher Edu Press, Beijing (2015). (In Chinese)

Guo, D.: Existence of two positive solutions for a class of third-order impulsive singular integro-differential equations on the half-line in Banach spaces. Bound. Value Probl. 2016, 70 (2016)