%0 Journal Article %A A. L. Krylov %T Boundary problems and biorthogonal expansions in Banach spaces %J Doklady Akademii Nauk %D 1958 %P 865-867 %V 119 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_119_5_a5/ %G ru %F DAN_1958_119_5_a5