FARIED, Nashat; ALI, Mohamed S. S.; YEHIA, Zeinab M. On certain properties of hyperbolically convex functions. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 476–484, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7219. Acesso em: 27 oct. 2026.