%0 Journal Article %A D. V. Anosov %T Roughness of geodesic flows on compact Riemannian manifolds of negative curvature %J Doklady Akademii Nauk %D 1962 %P 707-709 %V 145 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_145_4_a0/ %G ru %F DAN_1962_145_4_a0