Fuzzy Sets and Systems
Fuzzy Sets and Systems > 1995 > 71 > 2 > 183-196
Fuzzy Sets and Systems > 2000 > 116 > 2 > 167-199
Fuzzy Sets and Systems > 2001 > 122 > 3 > 409-424
Fuzzy Sets and Systems > 2004 > 146 > 1 > 97-120
Fuzzy Sets and Systems > 2016 > 294 > C > 18-35