BÉDOS, Erik. A decomposition theorem for regular extensions of von Neumann algebras. MATHEMATICA SCANDINAVICA, [S. l.], v. 68, p. 108–114, 1991. DOI: 10.7146/math.scand.a-12349. Disponível em: https://tidsskrift.dk/math/article/view/12349. Acesso em: 14 aug. 2026.