- [31]期刊论文，On the critical periods of perturbed isochronous centers.,J. Differential Equations 244 (2008), no. 3, 696--715,2008/02/01
- [32]期刊论文，Lower bounds for the number of limit cycles of trigonometric Abel equations.,J. Math. Anal. Appl. 342 (2008), no. 1, 682--693.,2008/01/01
- [33]期刊论文，Limit cycles for a class of three-dimensional polynomial differential systems.,J. Dyn. Control Syst. 13 (2007), no. 4, 531--539,2007/10/01
- [34]期刊论文，On the upper bound of the number of limit cycles obtained by the second order averaging method.,Dyn. Contin. Discrete Impuls. Syst. Ser. B Appl. Algorithms 14 (2007), no. 6, 841--873.,2007/06/01
- [35]期刊论文，Stability and Hopf bifurcation analysis in a three-level food chain system with delay.,Chaos Solitons Fractals 31 (2007), no. 3, 683--694.,2007/02/01
- [36]期刊论文，Bifurcations of limit cycles from quadratic non-Hamiltonian systems with two centres and two unbound,Nonlinearity 18 (2005), no. 1, 305--330.,2005/01/01