Core of a convex mixture set and convex functions. Gulf Journal of Mathematics, [S. l.], v. 15, n. 2, p. 15–24, 2023. DOI: 10.56947/gjom.v15i2.1415. Disponível em: https://gjom.org/index.php/gjom/article/view/1415. Acesso em: 9 nov. 2026.