SHEREMETA , M. N. On integral functions with derivatives univalent in a circle. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 43, n. 3, p. 400–406, 1991. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9622. Acesso em: 12 jan. 2026.