%0 Journal Article
%A Ya. G. Sinai
%T Geodesic flows on compact surfaces of negative curvature
%J Doklady Akademii Nauk
%D 1961
%P 549-552
%V 136
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_136_3_a8/
%G ru
%F DAN_1961_136_3_a8