MOHAMMED, A.; DARUS, M. Second Hankel determinant for a class of analytic functions defined by a linear operator. Tamkang Journal of Mathematics, [S. l.], v. 43, n. 3, p. 455–462, 2012. DOI: 10.5556/j.tkjm.43.2012.518. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/518. Acesso em: 26 apr. 2024.