@article{MAN_1969__180_161806,
     author = {M. BREUER},
     title = {Fredholm {Theories} in von {Neumann} {Algebras.} {II.}},
     journal = {Mathematische Annalen},
     pages = {313--325},
     year = {1969},
     volume = {180},
     zbl = {0175.44102},
     url = {http://geodesic.mathdoc.fr/item/MAN_1969__180_161806/}
}