Boukehila A. Existence of solutions of boundary value problems for nonlinear fractional differential equations with integral conditions. Proyecciones (Antofagasta, On line) [Internet]. 2021Sep.29 [cited 2024Apr.18];40(5):1117-35. Available from: https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/4271