| 标题 |
Determination of the apsidal angles and Bertrand's theorem |
| 网址 | |
| DOI | |
| 其它 |
期刊:Physical review. E, Statistical, nonlinear, and soft matter physics 作者:F. C. Santos; V. Soares; A. Tort 出版日期:2008-09-11 |
| 求助人 | |
| 下载 |
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(2025-6-4)