Fekete–Szeg˝o Inequalities for New Subclasses of Bi-Univalent Functions Defined by S˘al˘agean q-Differential Operator. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 18, n. 2, p. 6115, 2025. DOI: 10.29020/nybg.ejpam.v18i2.6115. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/6115. Acesso em: 5 dec. 2025.