Fractional Calculus of a Class of Univalent Functions with Negative Coefficients Defined by Hadamard Product with Rafid -Operator. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 4, n. 2, p. 162–173, 2011. Disponível em: https://www.ejpam.com/ejpam/article/view/1174. Acesso em: 24 feb. 2026.