S. K. Al-Saidy, N. J. Al-Jawari, and R. F. Hassan, “Best One-Sided Multiplier Approximation by Operators”, Al-Nahrain J. Sci., vol. 26, no. 2, pp. 36–39, Jul. 2023, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/2515