TY  - JOUR
AU  - M. A. Brodskii
AU  - A. L. Levshin
TI  - Asymptotic method of the determination of velocity cross-section of the Earth according to its natural frequency
JO  - Doklady Akademii Nauk
PY  - 1977
SP  - 312
EP  - 315
VL  - 233
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1977_233_2_a13/
LA  - ru
ID  - DAN_1977_233_2_a13
ER  -