%0 Journal Article
%A G. M. Gubreev
%T Spectral analysis of biorthogonal expansions of functions, and exponential series
%J Izvestiya. Mathematics 
%D 1990
%P 573-605
%V 35
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1990_35_3_a3/
%G en
%F IM2_1990_35_3_a3