Piecewise affine selections for piecewise polyhedral multifunctions and metric projections. Finzel, M.; Li, W. — 2000 Journal of Convex Analysis
Dimensions of spaces of cusp forms over function fields. G. Harder; W.-C.W Li; J.R. Weisinger — 1980 Journal für die reine und angewandte Mathematik
Complete sequences of sets of integer powers S. A. Burr; P. Erdős; R. L. Graham; W. Wen-Ching Li — 1996 Acta Arithmetica