Abdullah, khalid Ibrahim, and Nafya H. Mohammed. “Bounds For the Coefficients of Two New Subclasses of Bi-Univalent Functions”. Science Journal of University of Zakho 10, no. 2 (June 7, 2022): 66–69. Accessed November 22, 2024. https://sjuoz.uoz.edu.krd/index.php/sjuoz/article/view/922.