TY - JOUR AU - Zh. S. Satarov TI - Defining relations in an elementary triangular group over rings JO - Matematičeskie zametki PY - 1986 SP - 785 EP - 790 VL - 39 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1986_39_6_a0/ LA - ru ID - MZM_1986_39_6_a0 ER -