@article{DAN_1960_131_5_a5,
     author = {V. I. Levenshtein},
     title = {A class of systematic codes},
     journal = {Doklady Akademii Nauk},
     pages = {1011--1014},
     year = {1960},
     volume = {131},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_131_5_a5/}
}