Existence results for Atangana-Baleanu fractional integro-differential systems with non-instantaneous impulses. Nonlinear Studies, [S. l.], v. 28, n. 3, 2021. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/2641. Acesso em: 14 jan. 2026.