摘要
在本文中，Ｌｉéｎａｒｄ型方程周期解存在性的结果被推广到具偏差变元的Ｌｉéｎａｒｄ型方程ｘ＋ｆ［ｘ（ｔ－σ）］ｘ（ｔ－σ）＋β（ｔ）ｇ［ｘ（ｔ－τ（ｔ））］＝ｐ（ｔ）＝ｐ（ｔ＋Ｔ）．
In this paper, some results of the existence of periodic solutions for the Liénard equation are generalized to the Liénard equation with deviating arguments +f(t-σ)+β(t)g[x(t-τ(t))]=p(t)=p(t+T) .
基金
云南省应用基础研究基金
