Fuzzy Sets and Systems
Fuzzy Sets and Systems > 2004 > 147 > 1 > 57-74
Fuzzy Sets and Systems > 2006 > 157 > 16 > 2273-2285
Fuzzy Sets and Systems > 2006 > 157 > 21 > 2809-2832
Fuzzy Sets and Systems > 2004 > 147 > 1 > 57-74
Fuzzy Sets and Systems > 2006 > 157 > 16 > 2273-2285
Fuzzy Sets and Systems > 2006 > 157 > 21 > 2809-2832