Hermite-Hadamard Type Inequalities for Operator $h$-Preinvex Functions. Communications in Mathematical Research, [S. l.], v. 35, n. 2, p. 180–192, 2019. DOI: 10.13447/j.1674-5647.2019.02.08. Disponível em: https://global-sci.com/index.php/cmr/article/view/9000. Acesso em: 5 dec. 2025.