%0 Journal Article %A V. P. Fedosov %A N. N. Yanenko %T Solution of mixed boundary value problems for the wave equation in %J Doklady Akademii Nauk %D 1984 %P 852-857 %V 275 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_275_4_a20/ %G ru %F DAN_1984_275_4_a20