DZIOK, J. Classes of harmonic functions defined by extended Sălăgean operator. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 73, n. 1, p. 33–46, 2021. DOI: 10.37863/umzh.v73i1.78. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/78. Acesso em: 5 dec. 2025.