POWER, S. 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://www.mscand.dk/article/view/12284. Acesso em: 29 apr. 2024.