@article{DOCMA_2017__22__a34,
     author = {Knebusch, Anselm and Linnell, Peter and Schick, Thomas},
     title = {On the {Center-Valued} {Atiyah} {Conjecture} for $L^2${-Betti} {Numbers}},
     journal = {Documenta mathematica},
     pages = {659--677},
     publisher = {mathdoc},
     volume = {22},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2017__22__a34/}
}