@article{DAN_1963_151_6_a1,
     author = {D. V. Anosov},
     title = {Ergodic properties of geodesic flows on closed {Riemannian} manifolds of negative curvature},
     journal = {Doklady Akademii Nauk},
     pages = {1250--1252},
     publisher = {mathdoc},
     volume = {151},
     number = {6},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_151_6_a1/}
}