“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 18, no. 2 (May 1, 2025): 6115. Accessed December 5, 2025.
https://www.ejpam.com/index.php/ejpam/article/view/6115.