%0 Journal Article %A S. A. Minyuk %T On the theory of the control and observation of hyperbolic systems %J Differencialʹnye uravneniâ %D 1979 %P 1606-1613 %V 15 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_9_a7/ %G ru %F DE_1979_15_9_a7