@misc{VSPUI_2011_1_a13,
     title = {L. {A.~Petrosyan} (to 70th of his birthday and 50th of his scientific work in the {Leningrad{\textendash}St.-Petersburg} {State} {University)}},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {147--149},
     year = {2011},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2011_1_a13/}
}