Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2000-01-01

Journal: 数学学报

Included Journals: CSCD、PKU

Volume: 43

Issue: 4

Page Number: 639

ISSN: 0583-1431

Key Words: 常微分方程组; 周期解; 临界点定理

Abstract: 本文获得了常微分方程组在G（t，u）次线性并满足一定的强制性条件下的2π-周期解的存在性．