On IVF Approximating Spaces. - Dingwei Zheng; Rongchen Cui; Zhaowen Li (J. Appl. Math., 2013)

T-similarity of fuzzy relations and related algebraic structures. - Zhaowen Li; Rongchen Cui (Fuzzy Sets Syst., 2015)

Similarity of fuzzy relations based on fuzzy topologies induced by fuzzy rough approximation operators. - Zhaowen Li; Rongchen Cui (Inf. Sci., 2015)