广义Liénard系统的中心点问题
On the Center of Generalized Liénard System
摘要
给出广义Li啨ｎａｒｄ系统的奇点为局部中心点的判定条件 .
In this paper we discuss the generalized Liénard system and give several sufficient conditions to guarantee the origin is the local center. Some results of Yu Shuxinag and Zhang Jizhou are generalized.
出处
《北方交通大学学报》
CSCD
北大核心
2002年第3期88-90,共3页
Journal of Northern Jiaotong University
参考文献4
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