共 50 条
- [31] The Poincare bifurcation of cubic Hamiltonian systems with double centers DYNAMICS OF CONTINUOUS DISCRETE AND IMPULSIVE SYSTEMS-SERIES A-MATHEMATICAL ANALYSIS, 2006, 13 : 1046 - 1053
- [32] Nondegenerate centers and limit cycles of cubic Kolmogorov systems Nonlinear Dynamics, 2018, 91 : 487 - 496
- [40] CENTERS AND LIMIT-CYCLES OF CUBIC SYSTEMS WITH LINEAR INTEGRALS DOKLADY AKADEMII NAUK BELARUSI, 1992, 36 (7-8): : 581 - 584