%0 Journal Article %A S. Crvenković %A I. Dolinka %T Undecidable varieties with solvable word problems - III (a semigroup variety) %J Novi Sad Journal of Mathematics %D 1998 %P 109-117 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1998_28_2a_10/ %F NSJOM_1998_28_2a_10