HRISTOVA, S.; ABBAS, M.I. Ulam type stability analysis for generalized proportional fractional differential equations. Carpathian Mathematical Publications, [S. l.], v. 16, n. 1, p. 114–127, 2024. DOI: 10.15330/cmp.16.1.114-127. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/5127. Acesso em: 9 nov. 2024.