%0 Journal Article
%A B. N. Khabibullin
%T Excess of systems of exponentials in a~domain, and directional convexity deficiency of a~curve
%J Algebra i analiz
%D 2001
%P 193-236
%V 13
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AA_2001_13_6_a4/
%G ru
%F AA_2001_13_6_a4