HE, P.; ZHANG, D. Some Properties of Multivalent Functions Associated with a Certain Operator. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 65, n. 11, p. 1580–1584, 2013. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2538. Acesso em: 7 apr. 2025.