%0 Journal Article
%A V. M. Babich
%A N. S. Grigor'ev
%T Nonspectral singularities of Green's function for the Helmholtz equation in the exterior of an arbitrary convex polygon
%J Zapiski Nauchnykh Seminarov POMI
%D 1976
%P 21-26
%V 62
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a1/
%G ru
%F ZNSL_1976_62_a1