%0 Journal Article %A I. I. Ibragimov %A N. I. Nagnibida %T On the basis character of some systems of analytic functions %J Doklady Akademii Nauk %D 1972 %P 1043-1045 %V 206 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_206_5_a3/ %G ru %F DAN_1972_206_5_a3