Fuzzy Sets and Systems
Fuzzy Sets and Systems > 1999 > 104 > 3 > 359-371
Fuzzy Sets and Systems > 1999 > 104 > 3 > 381-391
Fuzzy Sets and Systems > 1999 > 104 > 3 > 415-422
Fuzzy Sets and Systems > 1999 > 104 > 3 > 359-371
Fuzzy Sets and Systems > 1999 > 104 > 3 > 381-391
Fuzzy Sets and Systems > 1999 > 104 > 3 > 415-422