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Galba EF, Deineka VS, Sergienko IV. Existence and uniqueness of weighted pseudoinverse matrices and weighted normal pseudosolutions with singular weights. Ukr. Mat. Zhurn. [Internet]. 2011 Jan. 25 [cited 2025 Apr. 13];63(1):80-101. Available from:
https://umj.imath.kiev.ua/index.php/umj/article/view/2700