Fuzzy Sets and Systems
Fuzzy Sets and Systems > 1999 > 102 > 2 > 185-210
Fuzzy Sets and Systems > 1999 > 106 > 3 > 463-467
Fuzzy Sets and Systems > 1999 > 108 > 1 > 111-116
Fuzzy Sets and Systems > 1999 > 108 > 3 > 313-324
Fuzzy Sets and Systems > 1999 > 102 > 2 > 185-210
Fuzzy Sets and Systems > 1999 > 106 > 3 > 463-467
Fuzzy Sets and Systems > 1999 > 108 > 1 > 111-116
Fuzzy Sets and Systems > 1999 > 108 > 3 > 313-324