ELLIOTT, G. A.; OLESEN, Dorte. A Simple Proof of the Dauns-Hofmann Theorem. Mathematica Scandinavica, Berkeley, CA, United States, v. 34, p. 231–234, 1974. DOI: 10.7146/math.scand.a-11524. Disponível em: https://journals.msp.org/mscand/article/view/2123. Acesso em: 25 jul. 2026.