AOUF , M. K.; BULBOACĂ, T.; SEOUDY, T. Integral operators preserving subordination and superordination for multivalent functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 73, n. 6, p. 749–762, 2021. DOI: 10.37863/umzh.v73i6.437. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/437. Acesso em: 6 dec. 2025.