SHAH, S. M.; RAMANUJAN, P. B. Summation of a Certain Series. The Journal of the Indian Mathematical Society, [S. l.], v. 29, n. 4, p. 187–195, 1965. DOI: 10.18311/jims/1965/16815. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16815. Acesso em: 2 may. 2024.