@article{DAN_1982_264_1_a4,
     author = {A. D. Gvishiani and V. A. Gurvich},
     title = {Balls in the {Hamming} metric space},
     journal = {Doklady Akademii Nauk},
     pages = {27--29},
     publisher = {mathdoc},
     volume = {264},
     number = {1},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_264_1_a4/}
}