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@article{DAN_1975_221_2_a12, author = {L. P. Osipkov}, title = {Small vertical oscillations in the field of rotationally symmetric potential}, journal = {Doklady Akademii Nauk}, pages = {309--311}, publisher = {mathdoc}, volume = {221}, number = {2}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_2_a12/} }
L. P. Osipkov. Small vertical oscillations in the field of rotationally symmetric potential. Doklady Akademii Nauk, Tome 221 (1975) no. 2, pp. 309-311. http://geodesic.mathdoc.fr/item/DAN_1975_221_2_a12/