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@article{MZ_1962__79_170077, author = {Karl Heinrich Hofmann}, title = {Der {Schursche} {Multiplikator} topologischer {Gruppen.}}, journal = {Mathematische Zeitschrift}, pages = {389--421}, publisher = {mathdoc}, volume = {79}, year = {1962}, zbl = {0118.26902}, url = {http://geodesic.mathdoc.fr/item/MZ_1962__79_170077/} }
Karl Heinrich Hofmann. Der Schursche Multiplikator topologischer Gruppen.. Mathematische Zeitschrift, Tome 79 (1962), pp. 389-421. http://geodesic.mathdoc.fr/item/MZ_1962__79_170077/