Fekete-Szegö Functional Problem for Analytic and Bi-Univalent Functions Subordinate to Gegenbauer Polynomials. Contemporary Mathematics , [S. l.], v. 5, n. 4, p. 5731–5742, 2024. DOI: 10.37256/cm.5420245636. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/5636. Acesso em: 24 dec. 2025.