JENSEN, Chr. U. On Characterizations of Prüfer Rings. Mathematica Scandinavica, Berkeley, CA, United States, v. 13, p. 90–98, 1963. DOI: 10.7146/math.scand.a-10691. Disponível em: https://journals.msp.org/mscand/article/view/2636. Acesso em: 25 jul. 2026.