%0 Journal Article
%A A. V. Romanov
%T The Neumann method in boundary value problems for the Helmholtz equation
%J Doklady Akademii Nauk
%D 1980
%P 288-291
%V 251
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_251_2_a7/
%G ru
%F DAN_1980_251_2_a7