“Coefficient Bounds for a Subclass of Bi-Univalent Functions Involving the Salagean Differential Operator and Generalized Telephone Numbers”. Physical Education, Health and Social Sciences 3, no. 3 (August 10, 2025): 47–55. Accessed May 6, 2026. https://journal-of-social-education.org/index.php/Jorunal/article/view/599.