Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10678486 | Applied Mathematics Letters | 2005 | 9 Pages |
Abstract
By using the coincidence degree method, the existence of multiple periodic solutions for a class of second order differential equations is obtained under the existence of upper and lower solutions.
Related Topics
Physical Sciences and Engineering
Engineering
Computational Mechanics
Authors
Xiaojing Yang,