@article{MAN_1889__33_157405,
     author = {von Gall},
     title = {Die {Syzyganten} zweier simultanen bin\"aren biquadratischen {Formen}},
     journal = {Mathematische Annalen},
     pages = {197--222},
     publisher = {mathdoc},
     volume = {33},
     year = {1889},
     zbl = {20.0129.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1889__33_157405/}
}