代表作
A priori bounds and periodic solutions for a class of planar systems with applications to Lotka-Volterra equations, 发表于Discrete and Continuous Dynamical Systems 1(1), 103--117,
Boundedness of solutions and existence of invariant tori for generalized pendulum type equation, 发表于Chinese Science Bulletin 42(20), 1673--1675
Destruction of invariant torus in pendulum-type equations, 发表于 Journal of Differential Equations, 146, 67--89
Generic existence of invariant cantori in pendulum-type equations, 发表于 Journal of Mathematical Analysis and Applications, 218, 379--394,
