Ardjouni A. Existence and uniqueness of positive solutions for nonlinear Caputo-Hadamard fractional differential equations. Proyecciones (Antofagasta, On line) [Internet]. 2021Jan.13 [cited 2024Apr.26];40(1):139-52. Available from: https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/4350