VareniukN. A., GalbaE. F., SergienkoI. V., & KhimichA. N. (2018). Weighted pseudoinversion with indefinite weights. Ukrains’kyi Matematychnyi Zhurnal, 70(6), 752-772. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/1593