On the Existence of Periodic Solutions for Third Order Non-Dissipative Differential Systems  

关于一类三阶非耗散型微分方程组周期解的存在性

作　　者：黄先开[1] 

机构地区：[1]北京商学院数学教研室

出　　处：《Chinese Quarterly Journal of Mathematics》1990年第1期103-108,共6页数学季刊（英文版）

摘　　要：In this paper we first obtain Some fixed point theorems and then app- ly them to a third-order periodically perturbed non-dissipative systems, conditions on the existence of multiple periodic solutions are given。 Fina- lly,an example of application is cited.

关 键 词：三阶非耗散型微分方程组 周期解 存在性 不动点定理 同胚象 

分 类 号：O175.1[理学—数学]