@article{MM_2009_21_8_a3,
     author = {A. V. Tygliyan and S. S. Filippov},
     title = {Elementary differentals, their graphs and codes},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {37--43},
     publisher = {mathdoc},
     volume = {21},
     number = {8},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2009_21_8_a3/}
}