Analysis of a Two-Level Algorithm for HDG Methods for Diffusion Problems. Communications in Computational Physics, [S. l.], v. 19, n. 5, p. 1435–1460, 2020. DOI: 10.4208/cicp.scpde14.38s. Disponível em: https://www.global-sci.com/index.php/cicp/article/view/6331. Acesso em: 5 dec. 2025.