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@article{IM_1974__27_142312, author = {Kenneth S. Brown}, title = {Euler {Characteristics} of {Discrete} {Groups} and {G-Spaces.}}, journal = {Inventiones mathematicae}, pages = {229--264}, publisher = {mathdoc}, volume = {27}, year = {1974}, zbl = {0294.20047}, url = {http://geodesic.mathdoc.fr/item/IM_1974__27_142312/} }
Kenneth S. Brown. Euler Characteristics of Discrete Groups and G-Spaces.. Inventiones mathematicae, Tome 27 (1974), pp. 229-264. http://geodesic.mathdoc.fr/item/IM_1974__27_142312/