TY  - JOUR
AU  - N. Ya. Kirpichnikova
TI  - On computation of the second term of the ray method for the vector of longitudinal displacements in isotropic nonhomogeneous elastic media
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1994
SP  - 25
EP  - 43
VL  - 218
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1994_218_a3/
LA  - ru
ID  - ZNSL_1994_218_a3
ER  -