GASEMYR, J. Involutory antiautomorphisms of von Neumann and $C^*$-algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 67, p. 87–96, 1990. DOI: 10.7146/math.scand.a-12322. Disponível em: https://www.mscand.dk/article/view/12322. Acesso em: 4 may. 2024.