POWER, Stephen. Infinite tensor products of upper triangular matrix algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 65, p. 291–307, 1989. DOI: 10.7146/math.scand.a-12284. Disponível em: https://tidsskrift.dk/math/article/view/12284. Acesso em: 14 aug. 2026.