Simplified Interval-Valued Intuitionistic Fuzzy Line Integrals and Their Application. - Zhenghai Ai; Xiaoqin Shu; Zeshui Xu (IEEE Access, 2019)

Foundation of Interval-Valued Intuitionistic Fuzzy Limit and Differential Theory and an Application to Continuous Data. - Zhenghai Ai; Xiaoqin Shu; Zeshui Xu (Complex., 2019)

Integrations of q-Rung Orthopair Fuzzy Continuous Information. - Xiaoqin Shu; Zhenghai Ai; Zeshui Xu; Jianmei Ye (IEEE Trans. Fuzzy Syst., 2019)

Limit Theory and Differential Calculus of Intuitionistic Fuzzy Functions With Several Variables. - Zhenghai Ai; Zeshui Xu; Xiaoqin Shu (IEEE Trans. Fuzzy Syst., 2020)