LIN, Huaxin. A Short Return to Simple Ah-Algebras with Real Rank Zero. Mathematica Scandinavica, Berkeley, CA, United States, v. 114, n. 2, p. 264–274, 2014. DOI: 10.7146/math.scand.a-17111. Disponível em: https://journals.msp.org/mscand/article/view/421. Acesso em: 24 jul. 2026.