TY  - JOUR
AU  - S. Ts. Akopyan
AU  - V. N. Zharkov
AU  - V. M. Lyubimov
TI  - Perturbation theory for radial oscillations of the Earth. Second approximation
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 584
EP  - 587
VL  - 210
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a17/
LA  - ru
ID  - DAN_1973_210_3_a17
ER  -