Least-Squares Solutions of XTAX = B over Positive Semidefinite Matrixes A. Journal of Computational Mathematics, [S. l.], v. 21, n. 2, p. 167–174, 2003. Disponível em: https://gsp.tricubic.dev/JCM/article/view/11541. Acesso em: 14 mar. 2026.