SEN, S.; TATE, J. Ramification Groups of Local Fields. The Journal of the Indian Mathematical Society, [S. l.], v. 27, n. 3-4, p. 197–202, 1963. DOI: 10.18311/jims/1963/16872. Disponível em: https://informaticsjournals.co.in/index.php/jims/article/view/16872. Acesso em: 8 nov. 2024.