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@article{CMH_1994__69_4_140351, author = {Beno Eckmann}, title = {Manifolds of even dimension with amenable fundamental group.}, journal = {Commentarii mathematici Helvetici}, pages = {501--511}, publisher = {mathdoc}, volume = {69}, number = {4}, year = {1994}, zbl = {0857.57002}, url = {http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140351/} }
Beno Eckmann. Manifolds of even dimension with amenable fundamental group.. Commentarii mathematici Helvetici, Tome 69 (1994) no. 4, pp. 501-511. http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140351/