CHO, N. E. .; WOO, S. Y. . Certain classes of meromorphically multivalent functions with fixed argument of coefficients. Tamkang Journal of Mathematics, [S. l.], v. 31, n. 1, p. 57–62, 2000. DOI: 10.5556/j.tkjm.31.2000.415. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/415. Acesso em: 19 aug. 2022.