LIU, Y. Solvability of Boundary Value Problems for a Class of Third-Order Functional Difference Equations. Sarajevo Journal of Mathematics, [S. l.], v. 3, n. 2, p. 185–192, 2024. DOI: 10.5644/SJM.03.2.05. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/388. Acesso em: 15 oct. 2024.