GALBA, E. F.; DEINEKA, V. S.; SERGIENKO, I. V. Necessary and Sufficient Conditions for the Existence of Weighted Singular-Valued Decompositions of Matrices with Singular Weights. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 67, n. 3, p. 406–426, 2015. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1992. Acesso em: 5 dec. 2025.