%0 Journal Article %A Czédli, Gábor %A Horváth, Eszter K. %A Klukovits, Lajos %T Associativity in monoids and categories %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 2001 %P 47-53 %V 40 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_2001__40_1_a6/ %G en %F AUPO_2001__40_1_a6