KHAN, Asif R.; PEˇČARI´Ć, Josip. Positivity of sums and integrals for n-convex functions via the Fink identity and new Green functions. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 66, n. 4, p. 613–627, 2021. DOI: 10.24193/subbmath.2021.4.02. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1382. Acesso em: 5 feb. 2025.