TY - JOUR AU - M. S. Nikolskii AU - E. A. Belyaevskikh TI - Existence theorems for optimal control in some problems of trajectories bundles control JO - Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ PY - 2017 SP - 113 EP - 118 VL - 13 IS - 1 UR - http://geodesic.mathdoc.fr/item/VSPUI_2017_13_1_a10/ LA - ru ID - VSPUI_2017_13_1_a10 ER -