TY  - JOUR
AU  - A. V. Romanov
TI  - The Neumann method in boundary value problems for the Helmholtz equation
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 288
EP  - 291
VL  - 251
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_251_2_a7/
LA  - ru
ID  - DAN_1980_251_2_a7
ER  -