SHAH, K.; ALI, A. Ulam-Hyers stability analysis to a three-point boundary value problem for fractional differential equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 2, p. 147–160, 2020. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/371. Acesso em: 14 apr. 2025.