STACEY, P. J. Antiautomorphisms of $B(H)$. Mathematica Scandinavica, Berkeley, CA, United States, v. 66, p. 117–129, 1990. DOI: 10.7146/math.scand.a-12296. Disponível em: https://journals.msp.org/mscand/article/view/1328. Acesso em: 25 jul. 2026.