POPA, Sorin; SHLYAKHTENKO, Dimitri. Cartan subalgebras and bimodule decompositions of $ \mathrm{II}_1 $ factors. Mathematica Scandinavica, Berkeley, CA, United States, v. 92, n. 1, p. 93–102, 2003. DOI: 10.7146/math.scand.a-14395. Disponível em: https://journals.msp.org/mscand/article/view/824. Acesso em: 24 jul. 2026.