| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4617847 | Journal of Mathematical Analysis and Applications | 2012 | 8 Pages |
Abstract
We provide sufficient conditions for the existence of periodic solutions of the fourth-order differential equationu⁗+qu″−u=εF(u,u′,u″,u‴),u⁗+qu″−u=εF(u,u′,u″,u‴), where q and ε are real parameters, ε is small and F is a nonlinear function.
Related Topics
Physical Sciences and Engineering
Mathematics
Analysis
Authors
Jaume Llibre, Marco Antonio Teixeira,