%0 Journal Article %A Ya. G. Sinai %T A weak isomorphism of transformations with invariant measure %J Doklady Akademii Nauk %D 1962 %P 797-800 %V 147 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_147_4_a13/ %G ru %F DAN_1962_147_4_a13