%0 Journal Article %A M. Meredov %T On the first boundary-value problem for higher-order hyperbolic equations %J Doklady Akademii Nauk %D 1973 %P 39-42 %V 208 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_208_1_a8/ %G ru %F DAN_1973_208_1_a8