%0 Journal Article %A B. P. Paneah %T Solvability conditions for a class of pseudo-differential equations %J Doklady Akademii Nauk %D 1967 %P 1025-1027 %V 172 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_172_5_a8/ %G ru %F DAN_1967_172_5_a8