Momani, S. 1. «Local and Global Uniqueness Theorems on Differential Equations of Non-Integer Order via Bihari”™s and Gronwall”™s Inequalities». Rev. Téc. Fac. Ing. Univ. Zulia 23 (1). https://produccioncientificaluz.org./index.php/tecnica/article/view/5675.