@article{JRAM_1936__174_149936,
     author = {Otto Gr\"un},
     title = {Beitr\"age zur {Gruppentheorie.} {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--14},
     publisher = {mathdoc},
     volume = {174},
     year = {1936},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1936__174_149936/}
}