Fekete-Szegö Functional Problem for Analytic and Bi-Univalent Functions Subordinate to Gegenbauer Polynomials. Contemp. Math. [Internet]. 2024 Dec. 2 [cited 2025 Dec. 24];5(4):5731-42. Available from: https://ojs353.mebyme.cn/index.php/CM/article/view/5636