%0 Journal Article
%A B. S. Kashin
%T On approximation properties of complete orthonormal systems
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1985
%P 187-191
%V 172
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1985_172_a12/
%G ru
%F TM_1985_172_a12