@article{DAN_1990_312_5_a4,
     author = {S. V. Arkhangel'skii},
     title = {Information analysis of digital signals},
     journal = {Doklady Akademii Nauk},
     pages = {1048--1052},
     publisher = {mathdoc},
     volume = {312},
     number = {5},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_312_5_a4/}
}