The Coupling of Natural Boundary Element and Finite Element Method for 2D Hyperbolic Equations. Journal of Computational Mathematics, [S. l.], v. 21, n. 5, p. 585–594, 2021. Disponível em: https://global-sci.com/index.php/JCM/article/view/11583. Acesso em: 5 dec. 2025.