Al-Mayyahi, Suad Y., and Rafid Habib Buti. “On Coefficient Bounds of Bi-Univalent Functions Subordinated via Chebyshev Polynomials and Symmetric Q-Derivatives”. Journal of Al-Qadisiyah for Computer Science and Mathematics 18, no. 3 (September 30, 2026): Math 282–289. Accessed October 1, 2026. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/2994.