Title information : T-sum of bell-shaped fuzzy intervals Variant heading : \q12*stu_us_auth*1 stu73513 \q \q1013 stu_us_auth*stu73513 \d Hun Hong D. \q  In : \q12**1 stu155811 \q %continue : Fuzzy Sets and Systems %continue : . Vol. 158, Issue 7 (2007), s.739-746 Document kind : článok z periodika References : \q2479**1 stu_us_cat*stu155812*amg \q (1) - monografia : \q2479**1 stu_us_cat*stu155812*xcla \q (7) - článok