Zidane Baitiche, Choukri Derbazi, Mouffak Benchohra. ψ–Caputo Fractional Differential Equations with Multi-point Boundary Conditions by Topological Degree Theory. Results in Nonlinear Analysis [Internet]. 2022 Nov. 7 [cited 2024 Nov. 24];3(4):167-78. Available from: https://nonlinear-analysis.com/index.php/pub/article/view/54