Stable and Accurate Second-Order Formulation of the Shifted Wave Equation. Communications in Computational Physics, [S. l.], v. 7, n. 1, p. 103–137, 2010. DOI: 10.4208/cicp.2009.08.135. Disponível em: https://www.global-sci.com/index.php/cicp/article/view/7450. Acesso em: 5 dec. 2025.