%0 Journal Article %A A. N. Vityuk %T On the set of solutions of a boundary value problem for a hyperbolic differential inclusion %J Differencialʹnye uravneniâ %D 1999 %P 780-783 %V 35 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_6_a8/ %G ru %F DE_1999_35_6_a8