Orthogonal Projections and the Perturbation of the Eigenvalues of Singular Pencils. Journal of Computational Mathematics, [S. l.], v. 1, n. 1, p. 63–74, 2018. Disponível em: https://gsp.tricubic.dev/JCM/article/view/10710. Acesso em: 14 mar. 2026.