Fuzzy Sets and Systems
Fuzzy Sets and Systems > 2003 > 135 > 2 > 279-303
Fuzzy Sets and Systems > 2003 > 137 > 3 > 297-323
Fuzzy Sets and Systems > 2003 > 138 > 2 > 363-379
Fuzzy Sets and Systems > 2003 > 138 > 2 > 307-341
Fuzzy Sets and Systems > 2003 > 138 > 2 > 381-398
Fuzzy Sets and Systems > 2003 > 139 > 1 > 59-80