DRAGOMIR, Silvestru Sever. Bounds for the generalized \( (\Phi;f) \)-mean difference. CUBO, A Mathematical Journal, [S. l.], v. 22, n. 1, p. 01–21, 2020. DOI: 10.4067/S0719-06462020000100001. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/2253. Acesso em: 12 oct. 2025.