TY  - JOUR
AU  - L. A. Muravei
TI  - The wave equation and the Helmholtz equation in an unbounded domain with a~star-shaped boundary
JO  - Informatics and Automation
PY  - 1988
SP  - 171
EP  - 180
VL  - 185
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1988_185_a12/
LA  - ru
ID  - TRSPY_1988_185_a12
ER  -