SELBERG, A. Note on a Paper By L. G. Sathe. The Journal of the Indian Mathematical Society, [S. l.], v. 18, n. 1, p. 83–87, 1954. DOI: 10.18311/jims/1954/17018. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/17018. Acesso em: 2 may. 2024.