共 50 条
- [31] RETRACTED: Three Positive Solutions of Nonlinear Boundary Value Problems with Sign Changing Nonlinearity (Retracted Article) [J]. PROCEEDINGS OF 2010 3RD IEEE INTERNATIONAL CONFERENCE ON COMPUTER SCIENCE AND INFORMATION TECHNOLOGY (ICCSIT 2010), VOL 7, 2010, : 45 - 48
- [36] Positive solutions of nabla fractional boundary value problem [J]. CUBO-A MATHEMATICAL JOURNAL, 2022, 24 (03): : 467 - 484