TY - JOUR AU - Vajda, Igor TI - Alphabet-oriented and user-oriented source coding theories JO - Kybernetika PY - 1987 SP - 388 EP - 406 VL - 23 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KYB_1987__23_5_a5/ LA - en ID - KYB_1987__23_5_a5 ER -