J Mohammad, Ali, and Mudhar Abbas Majeed. “On Simultaneous Approximation for a Generalization of Baskakov–Beta Operators”. Journal of Al-Qadisiyah for Computer Science and Mathematics 1, no. 1 (August 29, 2017): 184–193. Accessed November 15, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/182.