%0 Journal Article %A D. P. Kostomarov %T Problems for an ultrahyperbolic equation in the half-space with the boundedness condition for the solution %J Differencialʹnye uravneniâ %D 2006 %P 245-251 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2006_42_2_a12/ %G ru %F DE_2006_42_2_a12