%0 Journal Article %A E. I. Bunina %A A. V. Mikhalev %T Elementary properties of categories of acts over monoids %J Algebra i logika %D 2006 %P 687-709 %V 45 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2006_45_6_a2/ %G ru %F AL_2006_45_6_a2