On the number of limit cycles of a Z4-equivariant quintic polynomial system. - Weijiao Xu; Maoan Han (Appl. Math. Comput., 2010)

Number of Limit cycles of some Polynomial LiéNard Systems. - Weijiao Xu; Cuiping Li (Int. J. Bifurc. Chaos, 2013)

Hopf Bifurcation of Limit Cycles in Some Piecewise Smooth Liénard Systems. - Weijiao Xu; Maoan Han (Int. J. Bifurc. Chaos, 2020)

Limit Cycles Bifurcating from Planar Polynomial Quasi-Homogeneous Centers of Weight-Degree 3 with Nonsmooth Perturbations. - Shiyou Sui; Weijiao Xu; Yongkang Zhang 005 (Int. J. Bifurc. Chaos, 2024)