%0 Journal Article %A S. A. Aldashev %T Multidimensional Darboux problems for degenerate hyperbolic equations %J Differencialʹnye uravneniâ %D 1993 %P 2097-2103 %V 29 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_12_a6/ %G ru %F DE_1993_29_12_a6