TY  - JOUR
AU  - L. P. Osipkov
TI  - Small vertical oscillations in the field of rotationally symmetric potential
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 309
EP  - 311
VL  - 221
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_221_2_a12/
LA  - ru
ID  - DAN_1975_221_2_a12
ER  -