BROWN, L. G.; ELLIOTT, G. A. Universally weakly inner one-parameter automorphism groups of seperable $C^*$-algebras, II. MATHEMATICA SCANDINAVICA, [S. l.], v. 57, p. 281–288, 1985. DOI: 10.7146/math.scand.a-12118. Disponível em: https://www.mscand.dk/article/view/12118. Acesso em: 19 may. 2024.