Constant Boundary value problem for a quasilinear elliptic system. Yaotian Shen; Shusen Yan — 1993 Manuscripta mathematica
General Hardy inequalities with optimal constants and remainder terms. Shen, Yaotian; Chen, Zhihui — 2005 Journal of Inequalities and Applications [electronic only]
Sharp Hardy-Sobolev inequalities with general weights and remainder terms. Shen, Yaotian; Chen, Zhihui — 2009 Journal of Inequalities and Applications [electronic only]