TY - JOUR AU - Ya. G. Sinai TI - A weak isomorphism of transformations with invariant measure JO - Doklady Akademii Nauk PY - 1962 SP - 797 EP - 800 VL - 147 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a13/ LA - ru ID - DAN_1962_147_4_a13 ER -