LÓPEZ-BONILLA, J.; DEL MORAL, V. M. S. A Short Note on Hyper-geometric Expression. Journal of the Institute of Engineering, [S. l.], v. 12, n. 1, p. 127–128, 2017. DOI: 10.3126/jie.v12i1.16886. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/16886. Acesso em: 3 may. 2024.