ALTINKAYA, Şahsene, and Sibel YALÇIN. 2016. “Faber Polynomial Coefficient Bounds for a Subclass of Bi-Univalent Functions”. Studia Universitatis Babeș-Bolyai Mathematica 61 (1):37-44. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5508.