Agarwal, R.P., O’Regan, D.: Boundary value problems for discrete equations. Appl. Math. Lett. 10, 83–89 (1997)
Agarwal, R.P., O’Regan, D., Wong, P.J.Y.: Positive Solutions of Differential, Difference and Integral Equations. Kluwer Academic, Dordrecht (1999)
Sheng, Q., Agarwal, R.P.: Existence and Uniqueness of the solutions of nonlinear n-point boundary value problems. Nonlinear World 2, 69–86 (1995)
Anderson, D., Avery, R., Peterson, A.: Three positive solutions to a discrete focal boundary value problem. J. Comput. Appl. Math. 88, 103–118 (1998)
Henderson, J., Lauer, S.D.: Existence of a positive solution for a Nth order boundary value problem for nonlinear difference equations. Abstr. Appl. Anal. 271–279 (1997)
Zhang, G., Medina, R.: Three-point boundary value problems for difference equation. Comput. Math. Appl. 48, 1791–1799 (2004)
Liu, Y., Ge, W.: Asymptotic behavior of solutions of forced nonlinear neutral difference equations. J. Appl. Math. Comput. 16(1–2), 37–51 (2004)
Il’in, V.A., Moiseev, E.I.: Nonlocal boundary value problem of second kind for a Sturm–Liouville operator. Differ. Equ. 23, 979–987 (1987)
Feng, W.: On an m-point boundary value problem. Nonlinear Anal. 30, 5369–5374 (1997)
Feng, W., Webb, J.R.L.: Solvability of m-point boundary value problem with nonlinear growth. J. Math. Anal. Appl. 212, 467–480 (1997)
Gupta, C.P.: A generalized multi-point boundary value problem for second order ordinary differential equation. Appl. Math. Comput. 89, 133–146 (1998)
Ma, R.: Existence of solutions of nonlinear m-point boundary value problems. J. Math. Anal. Appl. 256, 556–567 (2001)
Cinar, C.W., Stevo Stew’c, I.: On positive solutions of a reciprocal difference equation with minimum. J. Appl. Math. Comput. 17(1–2), 307–314 (2005)
Guo, D., Lakshmikantham, V.: Nonlinear Problems in Abstract Cones. Academic Press, San Diego (1988)