共 50 条
- [1] Center conditions and limit cycles in a cubic system of differential equations [J]. Differential Equations, 2000, 36 : 113 - 119
- [4] A CUBIC DIFFERENTIAL SYSTEM WITH NINE LIMIT CYCLES [J]. JOURNAL OF APPLIED ANALYSIS AND COMPUTATION, 2012, 2 (03): : 293 - 304
- [6] EXISTENCE CONDITIONS OF THIRTEEN LIMIT CYCLES IN A CUBIC SYSTEM [J]. INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2010, 20 (08): : 2569 - 2577
- [8] Conditions for the existence of limit cycles of the second kind for a system of differential equations: II [J]. Differential Equations, 2010, 46 : 1085 - 1094
- [10] Conditions for the existence of limit cycles of the second kind for a system of differential equations: I [J]. Differential Equations, 2010, 46 : 639 - 648