%0 Journal Article
%A M. E. Ratner
%T The invariant measure for an $Y$-flow on a three-dimensional manifold
%J Doklady Akademii Nauk
%D 1969
%P 261-263
%V 186
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_186_2_a4/
%G ru
%F DAN_1969_186_2_a4