@article{MZ_1934__38_168493,
     author = {W. Haack},
     title = {Eine geometrische {Deutung} der {Affin-Invarianten} einer {Raumkurve}},
     journal = {Mathematische Zeitschrift},
     pages = {155--162},
     publisher = {mathdoc},
     volume = {38},
     year = {1934},
     zbl = {0008.17602},
     url = {http://geodesic.mathdoc.fr/item/MZ_1934__38_168493/}
}