摘要
本文研究了一类广义Lienard系统极限环的唯一性问题,所获结果允许系统具有多个奇点,改进和推广了一些已知结果。
In this paper, we study the uniqueness of limit cycles for the same class of nonlinear differential systems,some new results are obtained. These results are suit-able for the systems with multiple singular points, and generalize and improve some known results concerning the Lienard-type system in this direction.
出处
《湖南大学学报(自然科学版)》
EI
CAS
CSCD
1995年第5期8-11,共4页
Journal of Hunan University:Natural Sciences
基金
国家自然科学基金