q -deformed KP hierarchy and q -deformed constrained KP hierarchy. He, Jingsong; Li, Yinghua; Cheng, Yi — 2006 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
Renormalized solutions of a nonlinear parabolic equation with double degeneracy. Wang, Zejia; Li, Yinghua; Wang, Chunpeng — 2006 Electronic Journal of Qualitative Theory of Differential Equations [electronic only]