Existence and Uniqueness Results for Volterra-Fredholm Integro Differential Equations. Advances in the Theory of Nonlinear Analysis and its Application, [S. l.], v. 4, n. 4, p. 361–372, 2023. Disponível em: https://mail.atnaea.org/index.php/journal/article/view/148.. Acesso em: 19 apr. 2026.