Existence of a nonautonomous SIR epidemic model with age structure. Yang, Junyuan; Wang, Xiaoyan — 2010 Advances in Difference Equations [electronic only]
Nonlinear vibration analysis for a Jeffcott rotor with seal and air-film bearing excitations. Wang, Yuefang; Wang, Xiaoyan — 2010 Mathematical Problems in Engineering
A differential equation model of HIV infection of CD4 + T-cells with delay. Yang, Junyuan; Wang, Xiaoyan; Zhang, Fengqin — 2008 Discrete Dynamics in Nature and Society