共 50 条
- [4] On A Certain Class of Kolmogorov Systems: Integrability And Non-Existence Of Limit Cycles APPLIED MATHEMATICS E-NOTES, 2021, 21 : 157 - 162
- [8] New criteria for the existence and non-existence of limit cycles in Lienard differential systems DYNAMICAL SYSTEMS-AN INTERNATIONAL JOURNAL, 2009, 24 (02): : 171 - 185