%0 Journal Article %A S. V. Bochkarev %T Inequalities for Orthogonal Series and a Strengthening of the Carleman--Olevskii Theorem for Complete Orthonormal Systems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2021 %P 111-130 %V 312 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2021_312_a5/ %G ru %F TM_2021_312_a5