一类平面微分系统的广义中心条件与极限环分支

杜超雄, 刘一戎

General Center Conditions and Bifurcation of Limit Cycles for a Planar Differential System

DU Chaoxiong, LIU Yirong

应用数学学报 . 2014, (1): 69 -77 . DOI: 10.12387/C2014007