Some Entropy for Rough Fuzzy Sets. - Chengyi Zhang; Hemei Qu; Guohui Chen; De-jun Peng (ICFIE, 2007)

Fuzzy Complex Value Measure and Fuzzy Complex Value Measurable Function. - Sheng-Quan Ma; De-jun Peng; De-yuan Li (ACFIE, 2008)

The Properties and Application of Target Nearness Degree. - De-jun Peng; Chengyi Zhang (ACFIE, 2008)

Some Correlative Conception and Properties of Bounded Closed Fuzzy Complex Number Set. - Sheng-Quan Ma; Qin-peng Cai; De-jun Peng (ICFIE, 2009)