摘要
本文利用Leray-Schauder连续性定理证明三阶向量微分方程非线性振荡周期解的 存在性,在一定程度上推广了一些已有的结果.
In this paper, the existence of periodic solutions of nonlinear oscillation for thirdorder
vector differential equations are proved by using Leray-Schauder continuous theorem, the known results are improved to some extent.
出处
《应用数学学报》
CSCD
北大核心
2004年第4期723-729,共7页
Acta Mathematicae Applicatae Sinica
