NAGEL, R. J. Ideals in Ordered Locally Convex Spaces. MATHEMATICA SCANDINAVICA, [S. l.], v. 29, p. 259–271, 1971. DOI: 10.7146/math.scand.a-11052. Disponível em: https://www.mscand.dk/article/view/11052. Acesso em: 3 may. 2024.