TY - JOUR AU - A. I. Kashu TI - Closed classes of left-$\Lambda$ modules and closed sets of left ideals of ring $\Lambda$ JO - Matematičeskie zametki PY - 1969 SP - 381 EP - 390 VL - 5 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1969_5_3_a12/ LA - ru ID - MZM_1969_5_3_a12 ER -