TY - JOUR AU - A. S. Atkarskaya TI - Stable groups over associative rings with $1/2$. Description of isomorphisms of the stable unitary groups JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 2013 SP - 3 EP - 21 VL - 18 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_2013_18_4_a0/ LA - ru ID - FPM_2013_18_4_a0 ER -