%0 Journal Article %A S. S. Kharibegashvili %T A boundary value problem for a second-order hyperbolic equation %J Doklady Akademii Nauk %D 1985 %P 1313-1316 %V 280 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_280_6_a6/ %G ru %F DAN_1985_280_6_a6