@article{02033359, title = {Bisemilattice-valued fuzzy sets.}, journal = {Novi Sad Journal of Mathematics}, volume = {28}, year = {1998}, pages = {105-114}, zbl = {1029.03507}, language = {en}, url = {http://dml.mathdoc.fr/item/02033359} }
Lazarević, Vera; Šešelja, Branimir; Tepavčević, Andreja. Bisemilattice-valued fuzzy sets.. Novi Sad Journal of Mathematics, Tome 28 (1998) pp. 105-114. http://gdmltest.u-ga.fr/item/02033359/