On the Study of Linear Properties for Fuzzy-Number-Valued Fuzzy Integrals. - Dong-kai Zhang; Wenli Feng; Ji-Qing Qiu; Duo-Ming Xi (ACFIE, 2008)

Solutions of First Order Fuzzy Differential Equations by a Characterization Theorem. - Dong-kai Zhang; Wenli Feng; Zhen-yu Xie; Ji-Qing Qiu (ICFIE, 2009)