TY  - JOUR
AU  - V. M. Byrdin
TI  - Radiation conditions for certain boundary value problems with the Helmholtz equations
JO  - Doklady Akademii Nauk
PY  - 1978
SP  - 293
EP  - 295
VL  - 238
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1978_238_2_a7/
LA  - ru
ID  - DAN_1978_238_2_a7
ER  -