共 11 条
[1]
Engelking R., 1977, General Topology
[4]
George A., 1995, J. Fuzzy Math., V3, P933
[5]
GRABIEC M, 1989, FUZZY SETS SYSTEMS, V27, P385
[8]
GREGORI V, 2001, REND I MAT U TRIE S2, V32, P81
[9]
Kramosil I., 1975, KYBERNETIKA, V15, P326
[10]
Sapena A., 2001, APPL GEN TOPOLOGY, V2, P63, DOI DOI 10.4995/AGT.2001.3016