Geodesic
A decomposition theorem for regular extensions of von Neumann algebras.
Mathematica Scandinavica, Tome 68 (1991) no. 1, pp. 108-114

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Mots-clés : two-cocycles, regular extensions of von Neumann algebras by discrete groups may be decomposed via normal subgroups and quotient groups, twisted crossed products of -algebras, separable - factor, trivial relative commutant, property 
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     author = {Erik B\'edos},
     title = {A decomposition theorem for regular extensions of von {Neumann} algebras.},
     journal = {Mathematica Scandinavica},
     pages = {108--114},
     publisher = {mathdoc},
     volume = {68},
     number = {1},
     year = {1991},
     zbl = {0733.46036},
     url = {http://geodesic.mathdoc.fr/item/MS2_1991__68_1_167150/}
}
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Erik Bédos. A decomposition theorem for regular extensions of von Neumann algebras.. Mathematica Scandinavica, Tome 68 (1991) no. 1, pp. 108-114. http://geodesic.mathdoc.fr/item/MS2_1991__68_1_167150/