共 10 条
[2]
Churchill R.V., 1976, Complex Variables and Applications, V3rd
[3]
Coll B, 2005, DYNAM CONT DIS SER A, V12, P275
[9]
Global bifurcation of limit cycles in a family of multiparameter system
[J].
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS,
2004, 14 (09)
:3325-3335