Kota, W. Y., and R. M. El-Ashwah. “Sufficient and Necessary Conditions for the Generalized Distribution Series to Be in Subclasses of Univalent Functions”. Ukrains’kyi Matematychnyi Zhurnal 75, no. 10 (October 24, 2023): 1366 - 1376. Accessed December 1, 2023. https://umj.imath.kiev.ua/index.php/umj/article/view/7267.