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@article{MZ_1991__207_2_174263, author = {Dietrich Notbohm}, title = {Maps between classifying spaces.}, journal = {Mathematische Zeitschrift}, pages = {153--168}, publisher = {mathdoc}, volume = {207}, number = {2}, year = {1991}, zbl = {0731.55011}, url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174263/} }
Dietrich Notbohm. Maps between classifying spaces.. Mathematische Zeitschrift, Tome 207 (1991) no. 2, pp. 153-168. http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174263/