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@article{MM2_1990__68_2_155522, author = {Andrzej Szczepanski}, title = {Five dimensional {Bieberbach} groups with trivial centre.}, journal = {Manuscripta mathematica}, pages = {191--208}, publisher = {mathdoc}, volume = {68}, number = {2}, year = {1990}, zbl = {0789.20058}, url = {http://geodesic.mathdoc.fr/item/MM2_1990__68_2_155522/} }
Andrzej Szczepanski. Five dimensional Bieberbach groups with trivial centre.. Manuscripta mathematica, Tome 68 (1990) no. 2, pp. 191-208. http://geodesic.mathdoc.fr/item/MM2_1990__68_2_155522/