@article{VSPUI_2015_1_a4,
     author = {N. V. Kolabutin},
     title = {Two-level cooperation in technological alliance differential games},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {42--63},
     year = {2015},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2015_1_a4/}
}