Fathi, Bayda G. “Convergence of The Barzilai-Borwein Method for Solving Slightly Unsymmetric Linear Systems”. Science Journal of University of Zakho 3, no. 1 (June 30, 2015): 140–144. Accessed November 22, 2024. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/118.