摘要
本文建立了一类时滞微分方程一切解振动的必要充分条件
In the present paper we obtain the necessary and sufficient conditions for all solutions of a class of delay differential equations to be oscillatory.
出处
《数学的实践与认识》
CSCD
2000年第3期310-314,共5页
Mathematics in Practice and Theory
关键词
时滞微分方程
振动
充要条件
解
delay differential equations
oscillation
necessary and sufficient conditon