TY - JOUR AU - M. E. Shirokov TI - On properties of quantum channels related to their classical capacity JO - Teoriâ veroâtnostej i ee primeneniâ PY - 2007 SP - 301 EP - 335 VL - 52 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_2007_52_2_a3/ LA - ru ID - TVP_2007_52_2_a3 ER -