A Greedy Algorithm for Sparse Precision Matrix Approximation. Journal of Computational Mathematics, [S. l.], v. 39, n. 5, p. 693–707, 2021. DOI: 10.4208/jcm.2005-m2019-0151. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/12477. Acesso em: 5 dec. 2025.