TY - JOUR AU - V. S. Guba TI - Conditions for embeddability of semigroups in groups JO - Matematičeskie zametki PY - 1994 SP - 3 EP - 14 VL - 56 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1994_56_2_a0/ LA - ru ID - MZM_1994_56_2_a0 ER -