TY - JOUR AU - N. S. Romanovskii TI - Subgroups between special linear groups over a~ring and its subring JO - Matematičeskie zametki PY - 1969 SP - 335 EP - 345 VL - 6 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1969_6_3_a10/ LA - ru ID - MZM_1969_6_3_a10 ER -