Alnajar, Omar, Ala Amourah, Jamal Salah, and Maslina Darus. “Fekete-Szegö Functional Problem for Analytic and Bi-Univalent Functions Subordinate to Gegenbauer Polynomials”. Contemporary Mathematics 5, no. 4 (December 2, 2024): 5731–5742. Accessed December 22, 2024. https://ojs.wiserpub.com/index.php/CM/article/view/5636.