@article{10_2140_agt_2016_16_2229,
     author = {Thumann, Werner},
     title = {L2{\textendash}invisibility of symmetric operad groups},
     journal = {Algebraic and Geometric Topology},
     pages = {2229--2255},
     year = {2016},
     volume = {16},
     number = {4},
     doi = {10.2140/agt.2016.16.2229},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2016.16.2229/}
}