%0 Journal Article %A T. V. Apraksina %A M. Yu. Maksimovskiy %T Acts and partial acts over semilattices %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2012 %P 3-7 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2012_12_1_a0/ %G ru %F ISU_2012_12_1_a0