AL-ABBADI, M. H.; DARUS, M. Hankel determinant for certain class of analytic function defined by generalized derivative operator. Tamkang Journal of Mathematics, [S. l.], v. 43, n. 3, p. 445–453, 2012. DOI: 10.5556/j.tkjm.43.2012.517. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/517. Acesso em: 4 may. 2024.