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Topological degree methods in nonlinear boundary value problems. (English) Zbl 0414.34025
Regional Conference Series in Mathematics. No. 40. R.I.: The American Mathematical Society (AMS). V, 122 p. $ 10.00 (1979).

34B15 Nonlinear boundary value problems for ordinary differential equations
47J05 Equations involving nonlinear operators (general)
34K05 General theory of functional-differential equations
34C25 Periodic solutions to ordinary differential equations
34-02 Research exposition (monographs, survey articles) pertaining to ordinary differential equations