余维三fold-fold-Hopf分岔下簇发振荡及其分类1)
薛淼, 葛亚威, 张正娣, 毕勤胜

BURSTING OSCILLATIONS AS WELL AS THE CLASSIFICATION IN THE FIELD WITH CODIMENSION-3 FOLD-FOLD-HOPF BIFURCATION1)
Xue Miao, Ge Yawei, Zhang Zhengdi, Bi Qinsheng
图15 $(u,v)$平面上的Poincaré映射
Fig.15 Poincaré map on the $(u,v)$ plane