@article{10_4171_dm_575,
     author = {Anselm Knebusch and Peter Linnell and Thomas Schick},
     title = {On the {Center-Valued} {Atiyah} {Conjecture} for $L^2${-Betti} {Numbers}},
     journal = {Documenta mathematica},
     pages = {659--677},
     year = {2017},
     volume = {22},
     doi = {10.4171/dm/575},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/575/}
}