M. Çaǧlar and H. Orhan, “Univalence criteria and quasiconformal extensions”, Ukr. Mat. Zhurn., vol. 68, no. 8, pp. 1147–1151, Aug. 2016, Accessed: Apr. 08, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/1910