LATIF, M. A. On some FEJÉR-type inequalities for double integrals. Tamkang Journal of Mathematics, [S. l.], v. 43, n. 3, p. 423–436, 2012. DOI: 10.5556/j.tkjm.43.2012.895. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/895. Acesso em: 30 jul. 2025.