Approximating existence and uniqueness of solution for a nonlinear IVP of first order ordinary iterative differential equations: Approximating solutions of nonlinear iterative differential equations. Nonlinear Studies, [S. l.], v. 29, n. 1, 2022. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/2782. Acesso em: 18 sep. 2025.