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@article{MZ_1970__115_171327, author = {Adalbert Kerber}, title = {Zur {Theorie} der {M-Gruppen.}}, journal = {Mathematische Zeitschrift}, pages = {4--6}, publisher = {mathdoc}, volume = {115}, year = {1970}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1970__115_171327/} }
Adalbert Kerber. Zur Theorie der M-Gruppen.. Mathematische Zeitschrift, Tome 115 (1970), pp. 4-6. http://geodesic.mathdoc.fr/item/MZ_1970__115_171327/