Some remarks of analytic functions concerned with Jack’s lemma. Gulf Journal of Mathematics, [S. l.], v. 10, n. 2, p. 18–24, 2021. DOI: 10.56947/gjom.v10i2.472. Disponível em: https://www.gjom.org/index.php/gjom/article/view/472. Acesso em: 20 aug. 2026.