@article{VSPUI_2017_13_1_a10,
     author = {M. S. Nikolskii and E. A. Belyaevskikh},
     title = {Existence theorems for optimal control in some problems of trajectories bundles control},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
     pages = {113--118},
     year = {2017},
     volume = {13},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSPUI_2017_13_1_a10/}
}