GALBA, E. F. Weighted singular decomposition and weighted pseudoinversion of matrices. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 48, n. 10, p. 1426–1430, 1996. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5228. Acesso em: 5 dec. 2025.