@misc{DM_2013_25_3_a0,
     title = {B. {A.~Sevast'yanov} (29.09.1923{\textendash}30.08.2013)},
     journal = {Diskretnaya Matematika},
     pages = {3--5},
     year = {2013},
     volume = {25},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2013_25_3_a0/}
}