Existence Results For Nonlinear Functional Integral Equations Via A Fixed Point Theorem Of Krasnoselkii-Schaefer Type. Nonlinear Studies, [S. l.], v. 9, n. 3, 2002. Disponível em: https://nonlinearstudies.com/index.php/nonlinear/article/view/276. Acesso em: 31 dec. 2025.