Solvability of Third-Order Three-Point Boundary Value Problems with Carathéodory Nonlinearity. Communications in Mathematical Research, [S. l.], v. 28, n. 3, p. 209–217, 2021. Disponível em: https://global-sci.com/index.php/cmr/article/view/8733. Acesso em: 5 dec. 2025.