| 标题 |
Infinitely many periodic solutions of Duffing equations under integral condition |
| 网址 | |
| DOI | |
| 其它 |
期刊:Topological Methods in Nonlinear Analysis 作者:Nannan Zheng; Zaihong Wang 出版日期:2021-01-05 |
| 求助人 | |
| 下载 |
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(2025-6-4)