Alsoboh, A. ., M. Çağlar, and M. Buyankara. “Fekete-Szegö Inequality for a Subclass of Bi-Univalent Functions Linked to <i>q</I>-Ultraspherical Polynomials”. Contemporary Mathematics, vol. 5, no. 2, May 2024, pp. 2366-80, doi:10.37256/cm.5220243737.