@article{MAN_1935__110_159738,
     author = {K.H. Weise},
     title = {Beitr\"age zum {Klassenproblem} der quadratischen {Differentialformen}},
     journal = {Mathematische Annalen},
     pages = {522--570},
     publisher = {mathdoc},
     volume = {110},
     year = {1935},
     zbl = {0010.27404},
     url = {http://geodesic.mathdoc.fr/item/MAN_1935__110_159738/}
}