%0 Journal Article %A Yu. S. Osipov %A S. P. Okhezin %T On the theory of positional control in hyperbolic systems %J Doklady Akademii Nauk %D 1977 %P 551-554 %V 233 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_233_4_a10/ %G ru %F DAN_1977_233_4_a10