TY - JOUR AU - I. N. Balaba TI - Isomorphisms of graded endomorphism rings of progenerators JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2007 SP - 3 EP - 10 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2007_13_1_a0/ LA - ru ID - FPM_2007_13_1_a0 ER -