Counting your customers: Compounding customer's in-store decisions, interpurchase time and repurchasing behavior. - Couchen Wu; Hsiu-Li Chen (Eur. J. Oper. Res., 2000)

The Study of KKM Theorems With Applications to Vector Equilibrium Problems and Implict Vector Variational Inequalities Problems. - Lai-Jiu Lin 001; Hsiu-Li Chen (J. Glob. Optim., 2005)