E. F. Galba, V. S. Deineka, and I. V. Sergienko, “Expansion of Weighted Pseudoinverse Matrices in Matrix Power Products”, Ukr. Mat. Zhurn., vol. 56, no. 11, pp. 1539–1556, Nov. 2004, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3864