%0 Journal Article %A Crvenković Siniša %A Ruškuc Nikola %T On groupoids having n2 essentially n-ary polynomials %J Novi Sad Journal of Mathematics %D 1993 %P 287-312 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1993_23_1a_24/ %F NSJOM_1993_23_1a_24