BOUCENNA, Djalal; BEN MAKHLOUF, Abdellatif; HAMMAMI, Mohamed Ali. On Katugampola fractional order derivatives and Darboux problem for differential equations. CUBO, A Mathematical Journal, [S. l.], v. 22, n. 1, p. 125–136, 2020. DOI: 10.4067/S0719-06462020000100125. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/2259. Acesso em: 9 jan. 2026.