RAMESAN, V. Note on Mersenne’s Number 2⁷¹-1. The Journal of the Indian Mathematical Society, [S. l.], v. 4, n. 2, p. 56–56, 1912. DOI: 10.18311/jims/1912/17784. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17784. Acesso em: 6 may. 2024.