JENSEN, Chr. U. On Characterizations of Prüfer Rings. MATHEMATICA SCANDINAVICA, [S. l.], v. 13, p. 90–98, 1963. DOI: 10.7146/math.scand.a-10691. Disponível em: https://tidsskrift.dk/math/article/view/10691. Acesso em: 14 aug. 2026.