LAZAR, Aldo J. AF algebras with a lattice of projections. Mathematica Scandinavica, Berkeley, CA, United States, v. 50, p. 135–144, 1982. DOI: 10.7146/math.scand.a-11950. Disponível em: https://journals.msp.org/mscand/article/view/1702. Acesso em: 25 jul. 2026.