ENOMOTO, M.; NAGISA, M.; WATATANI, Y. Relative commutant algebras of Powers’ binary shifts on the hyperfinite $\mathrm{II}_1$ factor. MATHEMATICA SCANDINAVICA, [S. l.], v. 68, p. 115–130, 1991. DOI: 10.7146/math.scand.a-12350. Disponível em: https://www.mscand.dk/article/view/12350. Acesso em: 1 may. 2024.