Existence and stability results for a nonlinear implicit fractional differential equation with a discrete delay. Advances in the Theory of Nonlinear Analysis and its Application, [S. l.], v. 6, n. 2, p. 246–257, 2023. Disponível em: https://mail.atnaea.org/index.php/journal/article/view/134.. Acesso em: 13 jun. 2026.