共 15 条
[2]
HEIKKILA S, 1979, 34 MATH U OUL REP
[3]
KELLEY JL, 1975, GENERAL TOPOLOGY
[4]
KRAMOSIL I, 1975, KYBERNETIKA, V11, P336
[5]
Mizumoto Masaharu., 1979, ADV FUZZY SET THEORY, P153
[7]
Ralescu D., 1979, ADV FUZZY SET THEORY, P77
[8]
Sanchez E., 1979, ADV FUZZY SET THEORY, P421
[9]
Schweizer B., 1960, PACIFIC J MATH, V10, P673
[10]
Schweizer B., 1960, PAC J MATH, V10, P314, DOI DOI 10.2140/PJM.1960.10.313