%0 Journal Article
%A N. B. Pleschinskii
%A D. N. Tumakov
%T Boundary value problems for the Helmholtz equation in a quadrant and in a half-plane formed from two quadrants
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 2004
%P 63-74
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_2004_7_a6/
%G ru
%F IVM_2004_7_a6