Periodic solutions for second order differential equations with indefinite singularities
Lu, Shiping; Yu, Xingchen
- 期刊名称Advances in Nonlinear Analysis
- 作者Lu, Shiping; Yu, Xingchen
- 卷第9卷
- 期第1期
- 印刷ISSN2191-9496
- 电子ISSN2191-950X
- 文件大小396.20KB
- 发表时间2019-03-01
- DOI10.1515/anona-2020-0037
- 页码994-1007