%0 Journal Article %A I. I. Ibragimov %T The completeness of systems of analytic functions that are generated by successive derivatives of analytic functions %J Doklady Akademii Nauk %D 1969 %P 726-729 %V 187 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a4/ %G ru %F DAN_1969_187_4_a4