%0 Journal Article %A S. I. Ibragimov %T On the completeness of some systems of functions analytic in an annulus %J Doklady Akademii Nauk %D 1973 %P 767-770 %V 210 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_210_4_a4/ %G ru %F DAN_1973_210_4_a4