摘要
对具有多个时滞的微分方程组,给出了其具有周期解的充要条件,并指出了文[2]的结果为此充要条件之特例.
In this paper,we give sufficient and necessary conditions for existence of periodic solution of differential equation systems with several time lag such as:and point out that the results in reference [2] are a special example of this paper.
出处
《中南民族大学学报(自然科学版)》
CAS
1997年第S1期71-73,共3页
Journal of South-Central University for Nationalities:Natural Science Edition
关键词
时滞
微分方程组
周期解
time lag
differential equation systems
periodic solution