@article{MOMA_1965__69_177293,
     author = {Gerd Baron},
     title = {Eine {Bemerkung} zur {Gruppenaxiomatik.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {289--293},
     publisher = {mathdoc},
     volume = {69},
     year = {1965},
     zbl = {0146.03301},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1965__69_177293/}
}