@article{MZ_1933__37_168450,
     author = {W. Specht},
     title = {Eine {Verallgemeinerung} der {Permutationsgruppen.}},
     journal = {Mathematische Zeitschrift},
     pages = {321--341},
     publisher = {mathdoc},
     volume = {37},
     year = {1933},
     zbl = {59.0146.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1933__37_168450/}
}