@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/