On Characterizing Distributions by Conditional Expectations of Functions of Order Statistics. Jong-Wuu Wu; L.Y. Ouyang — 1996 Metrika
Optimal inventory policy involving ordering cost reduction, back-order discounts, and variable lead time demand by minimax criterion. Wu, Jong-Wuu; Lee, Wen-Chuan; Lei, Chia-Ling — 2009 Mathematical Problems in Engineering