TY  - JOUR
AU  - N. S. Grigor'ev
TI  - Estimation of Green's function of the Helmholtz equation in the shadow region in the three-dimensional case
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 1976
SP  - 525
EP  - 526
VL  - 16
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_1976_16_2_a26/
LA  - ru
ID  - ZVMMF_1976_16_2_a26
ER  -