%0 Journal Article %A V. G. Romanov %T A certain formulation of the inverse problem for a generalized wave equation %J Doklady Akademii Nauk %D 1968 %P 554-557 %V 181 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_181_3_a11/ %G ru %F DAN_1968_181_3_a11