Two Curious Summation Formulae in the Monograph of Salahuddin Et Al. Global Journal of Science Frontier Research, [S. l.], v. 16, n. F2, p. 67–73, 2016. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/1757. Acesso em: 14 aug. 2026.