TY  - JOUR
AU  - D. K. Ozerov
TI  - The estimation of the velocity gradient of elastic waves by the interfered refracted wave
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1980
SP  - 123
EP  - 126
VL  - 99
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1980_99_a10/
LA  - ru
ID  - ZNSL_1980_99_a10
ER  -