TY - JOUR AU - L. A. Sholomov TI - On the concept of underdetermined alphabets of equal strength JO - Prikladnaâ diskretnaâ matematika PY - 2014 SP - 40 EP - 57 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2014_3_a3/ LA - ru ID - PDM_2014_3_a3 ER -