Zhou, Weijun. “A Globally and $R$-Linearly Convergent Hybrid HS and PRP Method and Its Inexact Version With Applications”. Ukrains’kyi Matematychnyi Zhurnal 67, no. 6 (June 25, 2015): 752–762. Accessed June 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2019.