On Certain Subclass of Analytic Functions Involving Generalized Derivative Operator. Global Journal of Science Frontier Research, [S. l.], v. 14, n. F5, p. 61–73, 2014. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/1423. Acesso em: 21 sep. 2026.