BANDURA, A. I.; SKASKIV, O. B. Boundedness of $l$-index and completely regular growth of entire functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 3, p. 316–325, 2020. DOI: 10.37863/umzh.v72i3.1048. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1048. Acesso em: 5 dec. 2025.