@article{VSPUI_2013_4_a3,
     author = {A. V. Mazalova},
     title = {Duopoly in queueing system},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {32--41},
     year = {2013},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2013_4_a3/}
}