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@article{MZ_1978__159_172657, author = {Edzard Salow}, title = {Endliche {Pr\"a-Hjelmslev-Gruppen.}}, journal = {Mathematische Zeitschrift}, pages = {215--234}, publisher = {mathdoc}, volume = {159}, year = {1978}, zbl = {0358.20022}, url = {http://geodesic.mathdoc.fr/item/MZ_1978__159_172657/} }
Edzard Salow. Endliche Prä-Hjelmslev-Gruppen.. Mathematische Zeitschrift, Tome 159 (1978), pp. 215-234. http://geodesic.mathdoc.fr/item/MZ_1978__159_172657/