Periodic boundary value problems of impulsive differential equations. Fang, Hui; Wang, Zhicheng — 2001 Applied Mathematics E-Notes [electronic only]
Periodic solutions of semilinear equations at resonance with a 2 n -dimensional kernel. Ma, Shiwang; Wang, Zhicheng — 1999 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Existence of positive periodic solutions for delayed predator-prey patch systems with stocking. Fang, Hui; Wang, Zhicheng — 2006 International Journal of Mathematics and Mathematical Sciences
On the existence of almost-periodic solutions of neutral functional-differential equations. Xu, Jianhua; Wang, Zhicheng; Zheng, Zuxiu — 1998 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
A survey on the oscillation of solutions of first order linear differential equations with deviating arguments. Wang, Zhicheng; Stavroulakis, Ioannis P.; Qian, Xiangzheng — 2002 Applied Mathematics E-Notes [electronic only]
Existence results for second order Volterra integrodifferential equations with deviating arguments Long Tu Li; Xiang Zheng Qian; Zhicheng Wang — 1997 Mathematica Slovaca