A Note on a Functional Differential Equation with State Dependent Argument. Communications in Mathematical Research, [S. l.], v. 33, n. 4, p. 311–317, 2019. DOI: 10.13447/j.1674-5647.2017.04.03. Disponível em: https://global-sci.com/index.php/cmr/article/view/8937. Acesso em: 6 dec. 2025.