RAMANUJAN, M. S. Series-To-Series Quasi-Hausdorff Transformations. The Journal of the Indian Mathematical Society, [S. l.], v. 17, n. 2, p. 47–53, 1953. DOI: 10.18311/jims/1953/17035. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17035. Acesso em: 3 may. 2024.