Galba, E. F., Deineka, V. S. and Sergienko, I. V. (2015) “Necessary and Sufficient Conditions for the Existence of Weighted Singular-Valued Decompositions of Matrices with Singular Weights”, Ukrains’kyi Matematychnyi Zhurnal, 67(3), pp. 406–426. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/1992 (Accessed: 2October2022).