×

On local \(\omega\)-cycles to certain third order nonlinear differential equations. (English) Zbl 0648.34043

Existence of periodic solutions is stated under ad-hoc assumptions, which are difficult to check.
Reviewer: A.Halanay

MSC:

34C25 Periodic solutions to ordinary differential equations
34C05 Topological structure of integral curves, singular points, limit cycles of ordinary differential equations
PDF BibTeX XML Cite