TY - JOUR AU - R. L. Dobrushin TI - The Asymptotic Optimum Properties of Group and Systematic Codes for Some Channels JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1963 SP - 52 EP - 66 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1963_8_1_a2/ LA - ru ID - TVP_1963_8_1_a2 ER -