MEFTAH, Badreddine; AZAIZIA, Assia. Fractional Ostrowski type inequalities for functions whose first derivatives are $MT$-preinvex. Revista MATUA , [S. l.], v. 6, n. 1, 2019. Disponível em: https://www.revistasuniatlanticoeduco.biteca.online/index.php/MATUA/article/view/2140. Acesso em: 7 feb. 2026.