A new Hermite – Hadamard type inequality and an application to quasi-Einstein metrics. Neliniini Kolyvannya, [S. l.], v. 17, n. 4, p. 558–573, 2014. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/763. Acesso em: 6 dec. 2025.