On Two-Point Boundary Value Problems for Second-Order Difference Equation. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 4, n. 3, p. 605–614, 2024. DOI: 10.12150/jnma.2022.605. Disponível em: https://global-sci.com/index.php/jnma/article/view/13659. Acesso em: 6 dec. 2025.