Minors of M-fuzzifying matroids. - Er-Qiang Li; Fu-Gui Shi (J. Intell. Fuzzy Syst., 2015)

The restricted hull operator of M-fuzzifying convex structures. - Fu-Gui Shi; Er-Qiang Li (J. Intell. Fuzzy Syst., 2016)

Geometric properties of M-fuzzifying convex structures. - Xiu-Yun Wu; Er-Qiang Li; Shi-Zhong Bai (J. Intell. Fuzzy Syst., 2017)