TY - JOUR AU - V. I. Malygin TI - The feedback operation and a~class of group automata JO - Diskretnaya Matematika PY - 1990 SP - 81 EP - 89 VL - 2 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1990_2_3_a8/ LA - ru ID - DM_1990_2_3_a8 ER -