PEDERSEN, G. K. Measure Theory for $C^*$ Algebras III. MATHEMATICA SCANDINAVICA, [S. l.], v. 25, p. 71–93, 1969. DOI: 10.7146/math.scand.a-10942. Disponível em: https://www.mscand.dk/article/view/10942. Acesso em: 24 nov. 2024.