2π-PERIODIC SOLUTION OF THE EQUATION x + f(x)x + bx + g(x(t - т)) = p(t)  

作　　者：林文贤 

机构地区：[1]Dept. of Math., Hanshan Teacher's College, Chaozhou 521041

出　　处：《Annals of Differential Equations》2003年第1期48-51,共4页微分方程年刊（英文版）

摘　　要：In this paper, time delay Lienard's equations are considered, by using the theory of concidence degree, a sufficient condition of existence of at least one 2π-periodic solution is obtained.In this paper, time delay Lienard's equations are considered, by using the theory of concidence degree, a sufficient condition of existence of at least one 2π-periodic solution is obtained.

关 键 词：Lienard's equation 2π-periodic solution coincidence degree 

分 类 号：O175[理学—数学]