TY - JOUR DA - 1971 DO - 10.1214/aoms/1177693508 LA - eng IS - 1 M2 - 224 PY - 1971 SN - 0003-4851 SP - 224-240 T2 - The Annals of Mathematical Statistics TI - Group Codes do not Achieve Shannon's Channel Capacity for General Discrete Channels UR - https://nbn-resolving.org/urn:nbn:de:0070-pub-17748723 Y2 - 2024-11-22T04:40:07 ER -