共 50 条
- [22] BIFURCATIONS OF LIMIT CYCLES FOR A PERTURBED CUBIC SYSTEM WITH DOUBLE FIGURE EIGHT LOOP INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2013, 23 (04):
- [26] Simultaneous bifurcation of limit cycles from a linear center with extra singular points BULLETIN DES SCIENCES MATHEMATIQUES, 2014, 138 (01): : 124 - 138
- [28] Uniqueness of limit cycles bounded by two invariant parabolas Applications of Mathematics, 2012, 57 : 521 - 529
- [30] Hopf bifurcation of limit cycles by perturbing piecewise integrable systems BULLETIN DES SCIENCES MATHEMATIQUES, 2020, 161