Kamali, M. “Fekete-Szegö Inequality for a Subclass of Analytic Functions Associated With Gegenbauer Polynomials”. Carpathian Mathematical Publications 14, no. 2 (December 30, 2022): 582–591. Accessed April 24, 2024. https://journals.pnu.edu.ua/index.php/cmp/article/view/5136.