共 19 条
[1]
[Anonymous], 1963, Publicationes Mathematicae Debrecen, V10, P69
[8]
HONG DH, 1994, FUZZY SET SYST, V66, P381, DOI 10.1016/0165-0114(94)90106-6
[10]
HONG DH, 1994, FUZZY SETS SYSTEMS, V66, P24