Positive Periodic Solutions of Systems of Second Order Ordinary Differential Equations
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Agarwal, R. O'Regan, D. and Wong, P.: Positive Solution of Differential, Difference and Integral Equations, Kluwer, Dordrecht, 1999.
Guo, D. and Lakshmikantham, V.: Nonlinear Problems in Abstract Cones, Academic Press, Orlando, FL, 1988.
Jiang, D. Chu, J. O'Regan D. and Agarwal, R.: Multiple positive solutions to superlinear periodic boundary value problems with repulsive singular forces, J. Math. Anal. Appl. 286 (2003), 563–576.
Krasnoselskii, M.: Positive Solutions of Operator Equations, Noordhoff, Groningen, 1964.
Torres, P.: Existence of one-signed periodic solutions of some second-order differential equations via a Krasnoselskii fixed point theorem. J. Diff. Eqs. 190 (2003), 643–662.
Wang, H.: On the existence of positive solutions for semilinear elliptic equations in the annulus, J. Differential Equations 109 (1994), 1–7.
Wang, H.: On the number of positive solutions of nonlinear systems. J. Math. Anal. Appl. 281 (2003), 287–306.