×

zbMATH — the first resource for mathematics

Periodic perturbations of scalar second order differential equations. (English) Zbl 0951.34024
Summary: The authors prove the existence of periodic solutions for perturbations of some autonomous second-order nonlinear differential equations by the use of the Poincaré-Birkhoff fixed point theorem.

MSC:
34C25 Periodic solutions to ordinary differential equations
34A34 Nonlinear ordinary differential equations and systems, general theory
PDF BibTeX XML Cite
Full Text: DOI