NANTOMAH, K.; ABE-I-KPENG, G.; SANDOW, S. Inequalities for Means Regarding the Trigamma Function. Journal of Nepal Mathematical Society, [S. l.], v. 6, n. 2, p. 67–73, 2024. DOI: 10.3126/jnms.v6i2.63030. Disponível em: https://nepjol.info/index.php/jnms/article/view/63030. Acesso em: 18 may. 2024.