LIMIT CYCLES OF A GENERALIZED LINARD DIFFERENTIAL EQUATION VIA AVERAGING THEORY  

作　　者：Sabrina Badi Amar Makhlouf 

机构地区：[1]Dept.of Math.,University of Guelma [2]Dept.of Math.,University of Annaba

出　　处：《Annals of Differential Equations》2011年第4期472-479,共8页微分方程年刊（英文版）

摘　　要：In this paper,by a coincidence degree theory,the existence of periodic solutions to a Linard equation with multiple delays is established,which substantially extends some results in the previous literatures.In this paper,by a coincidence degree theory,the existence of periodic solutions to a Linard equation with multiple delays is established,which substantially extends some results in the previous literatures.

关 键 词：coincidence degree theory periodic solutions Linard equation mul-tiple delays 

分 类 号：O175[理学—数学]