%0 Journal Article %A R. Tošić %A L. Čomić %T On set-valued non-boolean functions %J Novi Sad Journal of Mathematics %D 2000 %P 79-88 %V 30 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_2000_30_1a_9/ %F NSJOM_2000_30_1a_9