An Wonderful Summation Formula Convoluted with Contiguous Relation. Global Journal of Science Frontier Research, [S. l.], v. 14, n. F6, p. 57–65, 2014. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/1431. Acesso em: 14 aug. 2026.