TY - JOUR AU - A. V. Khokhlov TI - Stable Subsets and the Existence of a Unit in (Semi)-Prime Rings JO - Matematičeskie zametki PY - 2001 SP - 137 EP - 145 VL - 70 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2001_70_1_a14/ LA - ru ID - MZM_2001_70_1_a14 ER -