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- [23] Limit Cycles Bifurcations for a Class of 3-Dimensional Quadratic Systems Acta Applicandae Mathematicae, 2015, 136 : 1 - 18
- [28] HOPF BIFURCATION OF LIENARD SYSTEMS BY PERTURBING A NILPOTENT CENTER INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2012, 22 (08):
- [29] Limit Cycles from Hopf Bifurcation in Nongeneric Quadratic Reversible Systems with Piecewise Perturbations INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS, 2021, 31 (16):