Periodic solutions for second order differential equations with indefinite singularities
In this paper, the problem of periodic solutions is studied for second order differential equations with indefinite singularities
| Автори: | , |
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| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
De Gruyter
2019-09-01
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| Серія: | Advances in Nonlinear Analysis |
| Предмети: | |
| Онлайн доступ: | https://doi.org/10.1515/anona-2020-0037 |