%0 Journal Article %A S. P. Okhezin %T The problem of the control of the shape of an unbounded domain in a hyperbolic system %J Differencialʹnye uravneniâ %D 1994 %P 432-438 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_3_a9/ %G ru %F DE_1994_30_3_a9