%0 Journal Article
%A Yu. G. Smirnov
%T The Fredholm property of the problem of diffraction by a flat
%J Doklady Akademii Nauk
%D 1991
%P 147-149
%V 319
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_319_1_a31/
%G ru
%F DAN_1991_319_1_a31