Galba EF, Deineka VS, Sergienko IV. Necessary and Sufficient Conditions for the Existence of Weighted Singular-Valued Decompositions of Matrices with Singular Weights. Ukr. Mat. Zhurn. [Internet]. 2015Mar.25 [cited 2024Dec.4];67(3):406–426. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1992