Description and implementation of an algebraic multigrid preconditioner for H1-conforming finite element schemes. Uniciencia, [S. l.], v. 34, n. 2, p. 55–81, 2020. DOI: 10.15359/ru.34-2.4. Disponível em: https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/13792.. Acesso em: 13 oct. 2024.