Fuzzy Sets and Systems
Fuzzy Sets and Systems > 1997 > 88 > 1 > 23-30
Fuzzy Sets and Systems > 1999 > 101 > 3 > 353-362
Fuzzy Sets and Systems > 1999 > 104 > 2 > 199-208
Fuzzy Sets and Systems > 2000 > 113 > 3 > 367-379
Fuzzy Sets and Systems > 2001 > 118 > 2 > 199-214
Fuzzy Sets and Systems > 2002 > 129 > 3 > 371-386
Fuzzy Sets and Systems > 2002 > 131 > 2 > 121-152
Fuzzy Sets and Systems > 2003 > 135 > 2 > 279-303