Caballero, Josefa, Jackie Harjani, Belén López, and Kishin Sadarangani. “Existence of Positive Solutions in the Space of Hölder Functions for a Class of Nonlinear Fractional Differential Equations With Integral Boundary Conditions”. Topological Methods in Nonlinear Analysis 63, no. 1 (March 3, 2024): 185–196. Accessed July 4, 2024. https://apcz.umk.pl/TMNA/article/view/49153.