%0 Journal Article
%A N. K. Bari
%T Biorthogonal systems and bases in Hilbert space
%J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
%D 1951
%P 69-107
%V 148
%N 148
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UZMU_1951_148_148_a7/
%G ru
%F UZMU_1951_148_148_a7