An Adaptive Combined Preconditioner with Applications in Radiation Diffusion Equations. Communications in Computational Physics, [S. l.], v. 18, n. 5, p. 1313–1335, 2020. DOI: 10.4208/cicp.091014.060315a. Disponível em: https://global-sci.com/index.php/cicp/article/view/7609. Acesso em: 5 dec. 2025.