%0 Journal Article %A S. A. Aldashev %T A Darboux problem for the multidimensional wave equation %J Differencialʹnye uravneniâ %D 1983 %P 1985-1988 %V 19 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_11_a21/ %G ru %F DE_1983_19_11_a21