TY - JOUR AU - I. N. Balaba AU - A. V. Mikhalev TI - Anti-isomorphisms of graded endomorphism rings of graded modules close to free ones JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2008 SP - 23 EP - 36 VL - 14 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2008_14_7_a2/ LA - ru ID - FPM_2008_14_7_a2 ER -