HADWIN, Don. A Lifting Characterization of Rfd C*-Algebras. Mathematica Scandinavica, Berkeley, CA, United States, v. 115, n. 1, p. 85–95, 2014. DOI: 10.7146/math.scand.a-18004. Disponível em: https://journals.msp.org/mscand/article/view/414. Acesso em: 24 jul. 2026.