Meftah, B., & Azaizia, A. (2019). Fractional Ostrowski type inequalities for functions whose first derivatives are $MT$-preinvex. Revista MATUA ISSN: 2389-7422, 6(1). Recuperado a partir de https://investigaciones.uniatlantico.edu.co/revistas/index.php/MATUA/article/view/2140