Fuzzy renewal process, fuzzy renewal reward process and their applications. - Ruiqing Zhao; Wansheng Tang; Huaili Yun (FUZZ-IEEE, 2004)

SPSA Algorithm for Fuzzy Block Replacement Policy. - Guoyong Wang; Ruiqing Zhao; Huaili Yun (FUZZ-IEEE, 2005)

Random fuzzy renewal process. - Ruiqing Zhao; Wansheng Tang; Huaili Yun (Eur. J. Oper. Res., 2006)