ELLIOTT, G. A.; OLESEN, D. A Simple Proof of the Dauns-Hofmann Theorem. MATHEMATICA SCANDINAVICA, [S. l.], v. 34, p. 231–234, 1974. DOI: 10.7146/math.scand.a-11524. Disponível em: https://www.mscand.dk/article/view/11524. Acesso em: 3 may. 2024.