%0 Journal Article
%A A. M. Sedletskii
%T Approximation properties of exponential  systems on the real line and the half-line
%J Sbornik. Mathematics
%D 1998
%P 443-460
%V 189
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1998_189_3_a5/
%G en
%F SM_1998_189_3_a5