AKGÜL, A. Second-order differential subordinations on a class of analytic functions defined by Rafid-operator. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 70, n. 5, p. 587–598, 2018. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1579. Acesso em: 11 apr. 2025.