Two theorems on multilevel programming problems with dominated objective functions. - Shushang Zhu; Shouyang Wang; Luis Coladas (Appl. Math. Lett., 2001)

Characterizations of semi-prequasi-invexity. - Yingxue Zhao; Xiaoge Meng; Han Qiao; Shouyang Wang; Luis Coladas (J. Syst. Sci. Complex., 2014)