CONDE, Cristian. Refinements of the Hermite–Hadamard inequality in NPC global spaces. Annales Mathematicae Silesianae, [S. l.], v. 32, p. 133–144, 2018. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/13917. Acesso em: 5 dec. 2025.