Fekete-Szego estimates and second Hankel determinant for a generalized subfamily of analytic functions defined by q-differential operator. Gulf Journal of Mathematics, [S. l.], v. 11, n. 2, p. 36–43, 2021. DOI: 10.56947/gjom.v11i2.583. Disponível em: https://www.gjom.org/index.php/gjom/article/view/583. Acesso em: 12 sep. 2026.