%0 Journal Article
%A A. L. Garkavi
%T On Existence of Best Approximation of a~Function of Two Variables by Sums of Plane Waves
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1997
%P 130-136
%V 219
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1997_219_a10/
%G ru
%F TM_1997_219_a10