Block-Triangular Preconditioners for Systems Arising from Edge-Preserving Image Restoration. Journal of Computational Mathematics, [S. l.], v. 28, n. 6, p. 848–863, 2021. DOI: 10.4208/jcm.1001.m2729. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/12015. Acesso em: 5 dec. 2025.