Galba, E. F., Deineka, V. S., & Sergienko, I. V. (2004). Expansion of Weighted Pseudoinverse Matrices in Matrix Power Products. Ukrains’kyi Matematychnyi Zhurnal, 56(11), 1539-1556. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/3864