@article{DAN_1973_211_5_a2,
     author = {L. A. Bunimovich},
     title = {On the ergodic properties of billiards close to scattering ones},
     journal = {Doklady Akademii Nauk},
     pages = {1024--1026},
     publisher = {mathdoc},
     volume = {211},
     number = {5},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_211_5_a2/}
}