TY  - JOUR
AU  - A. V. Generalov
TI  - Acoustic field of directional source near ground surface
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 1064
EP  - 1067
VL  - 309
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_309_5_a8/
LA  - ru
ID  - DAN_1989_309_5_a8
ER  -