%0 Journal Article %A M. S. Nikolskii %A E. A. Belyaevskikh %T Existence theorems for optimal control in some problems of trajectories bundles control %J Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ %D 2017 %P 113-118 %V 13 %N 1 %U http://geodesic.mathdoc.fr/item/VSPUI_2017_13_1_a10/ %G ru %F VSPUI_2017_13_1_a10