BERKOVIC, Mladen; DRASKOVIC, Zoran; MIJUCA, Dubravka. A direct block sparse solution of the mixed finite element equations. Computer Assisted Methods in Engineering and Science, [S. l.], v. 5, n. 1, p. 21–30, 2023. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/1362. Acesso em: 12 jan. 2025.