LAZAR, A. J. AF algebras with a lattice of projections. MATHEMATICA SCANDINAVICA, [S. l.], v. 50, p. 135–144, 1982. DOI: 10.7146/math.scand.a-11950. Disponível em: https://www.mscand.dk/article/view/11950. Acesso em: 4 may. 2024.