KESAVA MENON, P. Summation of Certain Series. The Journal of the Indian Mathematical Society, [S. l.], v. 25, n. 3-4, p. 121–128, 1961. Disponível em: https://informaticsjournals.co.in/index.php/jims/article/view/22053. Acesso em: 8 nov. 2024.