Characterizations of Pointwise Pseudometrics via Pointwise Closed-Ball Systems

Shen, C; Shi, Y; Shi, FG; Andradi, H

Shi, Y (通讯作者),Shantou Univ, Dept Math, Shantou 515063, Peoples R China.

IEEE TRANSACTIONS ON FUZZY SYSTEMS, 2022; 30 (5): 1212