@article{MAN_1894__45_157723,
     author = {A. Hurwitz},
     title = {Ueber die {Reduction} der bin\"aren quadratischen {Formen}},
     journal = {Mathematische Annalen},
     pages = {85--117},
     publisher = {mathdoc},
     volume = {45},
     year = {1894},
     zbl = {25.0313.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1894__45_157723/}
}