%0 Journal Article %A V. F. Volkodavov %A I. N. Rodionova %A S. V. Bushkov %T A 3D analog of problem~$\mathrm M$ for a third-order hyperbolic equation %J Differencialʹnye uravneniâ %D 2004 %P 1698-1700 %V 40 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_12_a12/ %G ru %F DE_2004_40_12_a12