TAKAHASI, Sin-ei. A simple proof of the Stone-Weierstrass theorem for CCR-algebras with Hausdorff spectrum. Mathematica Scandinavica, Berkeley, CA, United States, v. 38, p. 304–306, 1976. DOI: 10.7146/math.scand.a-11636. Disponível em: https://journals.msp.org/mscand/article/view/2013. Acesso em: 25 jul. 2026.