TY - JOUR AU - T. V. Apraksina AU - M. Yu. Maksimovskiy TI - Acts and partial acts over semilattices JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2012 SP - 3 EP - 7 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2012_12_1_a0/ LA - ru ID - ISU_2012_12_1_a0 ER -