@article{DAN_1965_164_4_a9,
     author = {R. R. Varshamov},
     title = {On the theory of asymmetric codes},
     journal = {Doklady Akademii Nauk},
     pages = {757--760},
     publisher = {mathdoc},
     volume = {164},
     number = {4},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_164_4_a9/}
}