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://gsp.tricubic.dev/JCM/article/view/12015. Acesso em: 14 mar. 2026.