@article{CG_1998___28-29_32_0,
     author = {Berdnikov, A. and Lapko, O. and Kolodin, M. and Janishevsky, A. and Burykin, A.},
     title = {Alphabets {Necessary} for {Various} {Cyrillic} {Writing} {Systems} {(Towards} {X2} and {T2} {Encodings)}},
     journal = {Cahiers GUTenberg},
     pages = {32--43},
     publisher = {Association GUTenberg},
     number = {28-29},
     year = {1998},
     language = {en},
     url = {http://www.numdam.org/item/CG_1998___28-29_32_0/}
}