摘要
本文给出系统=(y),=-g(x)-f(x)y条件较弱的极限环唯一性定理。
In this paper,we present unioueness theorem of limit cycle of system =(y),=-g(x)-f(x)y. The result improves and extends the result in [1].
关键词
常微分方程
极限环
唯一性
ordinary differential equation,limit cycle uniqueness.