TY - JOUR AU - A. V. Khokhlov TI - Stable subsets of modules and the existence of a~unit in associative rings JO - Matematičeskie zametki PY - 1997 SP - 596 EP - 611 VL - 61 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1997_61_4_a10/ LA - ru ID - MZM_1997_61_4_a10 ER -