TY  - JOUR
AU  - V. M. Babich
AU  - N. S. Grigor'ev
TI  - Nonspectral singularities of Green's function for the Helmholtz equation in the exterior of an arbitrary convex polygon
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1976
SP  - 21
EP  - 26
VL  - 62
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1976_62_a1/
LA  - ru
ID  - ZNSL_1976_62_a1
ER  -