TY - JOUR AU - A. A. Ruban TI - The entropy of a transformation connected with Perron's algorithm for $p$-adic numbers JO - Doklady Akademii Nauk PY - 1976 SP - 571 EP - 573 VL - 227 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_227_3_a14/ LA - ru ID - DAN_1976_227_3_a14 ER -