共 21 条
[3]
Bede B., 2010, Commun. Math. Anal., V9, P22
[5]
Buckley JJ, 2000, FUZZY SET SYST, V110, P43, DOI 10.1016/S0165-0114(98)00141-9
[9]
Diamond P., 1994, METRIC SPACES FUZZY