JITENDRA AWASTHI. A Subclass of Starlike Functions Defined with a Differential Operator. International Journal of Mathematics And its Applications, [S. l.], v. 5, n. 4 - D, p. 499–504, 2017. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/1298. Acesso em: 20 may. 2024.