@article{10_4153_CMB_2017_036_3,
     author = {Bichon, Julien and Kyed, David and Raum, Sven},
     title = {Higher l {2-Betti} {Numbers} of {Universal} {Quantum} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {225--235},
     year = {2018},
     volume = {61},
     number = {2},
     doi = {10.4153/CMB-2017-036-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2017-036-3/}
}