BROWN, Lawrence G.; ELLIOTT, George A. Universally weakly inner one-parameter automorphism groups of seperable $C^*$-algebras, II. Mathematica Scandinavica, Berkeley, CA, United States, v. 57, p. 281–288, 1985. DOI: 10.7146/math.scand.a-12118. Disponível em: https://journals.msp.org/mscand/article/view/1546. Acesso em: 25 jul. 2026.