共 50 条
- [43] Existence of Solutions for a System of Fractional Differential Equations with Coupled Nonlocal Boundary Conditions Fractional Calculus and Applied Analysis, 2018, 21 : 423 - 441
- [48] General nonlinear self-adjoint eigenvalue problem for systems of ordinary differential equations Computational Mathematics and Mathematical Physics, 2009, 49 : 602 - 605