%0 Journal Article %A D. V. Anosov %T Ergodic properties of geodesic flows on closed Riemannian manifolds of negative curvature %J Doklady Akademii Nauk %D 1963 %P 1250-1252 %V 151 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a1/ %G ru %F DAN_1963_151_6_a1