%0 Journal Article %A A. I. Kozhanov %T A boundary value problem for a class of third order equations %J Doklady Akademii Nauk %D 1979 %P 536-540 %V 249 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_249_3_a4/ %G ru %F DAN_1979_249_3_a4