%0 Journal Article
%A A. M. Sedletskii
%T On a~class of biorthogonal expansions in exponential functions
%J Izvestiya. Mathematics 
%D 1977
%P 375-395
%V 11
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1977_11_2_a9/
%G en
%F IM2_1977_11_2_a9