%0 Journal Article
%A A. B. Katok
%T Invariant measures of flows on oriented surfaces
%J Doklady Akademii Nauk
%D 1973
%P 775-778
%V 211
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1973_211_4_a4/
%G ru
%F DAN_1973_211_4_a4