共 50 条
- [42] Existence of positive solutions for a semipositone discrete boundary value problem NONLINEAR ANALYSIS-MODELLING AND CONTROL, 2019, 24 (04): : 658 - 678
- [43] Existence of positive solutions for third-order semipositone boundary value problems on time scales* NONLINEAR ANALYSIS-MODELLING AND CONTROL, 2023, 28 (01): : 133 - 151
- [48] Global structure of positive solutions for third-order semipositone integral boundary value problems AIMS MATHEMATICS, 2024, 9 (03): : 7273 - 7292
- [50] Positive solutions of semipositone singular fractional differential systems with a parameter and integral boundary conditions OPEN MATHEMATICS, 2018, 16 : 581 - 596