TY - JOUR AU - A. O. Petrikov TI - A minimal non-extendable partial semigroup JO - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics PY - 2017 SP - 31 EP - 39 VL - 17 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ISU_2017_17_1_a2/ LA - ru ID - ISU_2017_17_1_a2 ER -