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@article{CMH_1992__67_3_140276, author = {Beno Eckmann}, title = {Amenable groups and {Euler} characteristic.}, journal = {Commentarii mathematici Helvetici}, pages = {383--393}, publisher = {mathdoc}, volume = {67}, number = {3}, year = {1992}, zbl = {0765.57019}, url = {http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140276/} }
Beno Eckmann. Amenable groups and Euler characteristic.. Commentarii mathematici Helvetici, Tome 67 (1992) no. 3, pp. 383-393. http://geodesic.mathdoc.fr/item/CMH_1992__67_3_140276/