Solovyev, S.A. “Application of the Low-Rank Approximation Technique in the Gauss Elimination Method for Sparse Linear Systems”. Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie) 15, no. 41 (July 29, 2014): 441–460. Accessed April 29, 2024. https://en.num-meth.ru/index.php/journal/article/view/782.