@article{TRSPY_1985_167_a0,
     author = {D. V. Anosov},
     title = {On geodesic flows satisfying {condition~(U)}},
     journal = {Informatics and Automation},
     pages = {3--24},
     publisher = {mathdoc},
     volume = {167},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1985_167_a0/}
}