@article{DAN_1957_113_4_a5,
     author = {L. N. Korolev},
     title = {Coding and compression of codes},
     journal = {Doklady Akademii Nauk},
     pages = {746--747},
     publisher = {mathdoc},
     volume = {113},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_4_a5/}
}