共 50 条
- [5] Existence of positive solutions for a semipositone discrete boundary value problem [J]. NONLINEAR ANALYSIS-MODELLING AND CONTROL, 2019, 24 (04): : 658 - 678
- [7] Existence of Positive Solutions to Semipositone Singular Dirichlet Boundary Value Problems [J]. Acta Mathematica Sinica, 2006, 22 : 1891 - 1914