Method of lower and upper solutions for a generalized boundary value problem

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1. 1. Fabry C., Mawhin J., Nkashama M.N., A multiplicity result for periodic solutions of forced nonlinear boundary value problems, Bull. London Math. Soc. 18 (1986), 173–186. (1986) MR0818822
2. 2. Mawhin J., Points fixes, points critiques et problèmes aux limites, Sémin. Math. Sup. no.92, Presses Univ. Montréal, Montréal 1985. (1985) MR0789982
3. 3. Mawhin J., Equivalence theorems for Nonlinear operator equations and Coincidence degree theory for some mappings in locally convex topological vector spaces, JDE 12 (1972), 610–636. (1972) Zbl0244.47049MR0328703
4. 4. Rachůnková I., Multiplicity results for four-point boundary value problems, Nonlinear Analysis TMA 18 (1992), 497–505. (1992) MR1152724
5. 5. Rachůnková I., On the existence of two solutions of the periodic problem for the ordinary second order differential equation, Nonlinear Analysis TMA 22 (1994), 1315–1322. (1994) MR1280199
6. 6. Rachůnková I., Upper and lower solutions and topological degree, JMAA 234 (1999), 311–327. (1999) MR1694813
7. 7. Rudolf B., A multiplicity result for a periodic boundary value problem, Nonlinear Analysis TMA, 22 (1997), 137–144. (1997) Zbl0859.34016MR1416037
8. 8. Šeda V., On some nonlinear boundary value problems for ordinary differential equations, Archivum Mathematicum (Brno) 25 (1989), 207–222. (1989) MR1188065

1. Boris Rudolf, An existence and multiplicity result for a periodic boundary value problem