WARNER, S. Residual fields in valuation theory. MATHEMATICA SCANDINAVICA, [S. l.], v. 56, p. 203–221, 1985. DOI: 10.7146/math.scand.a-12097. Disponível em: https://www.mscand.dk/article/view/12097. Acesso em: 3 may. 2024.