@article{MAN_1869__1_156414,
     author = {A. Clebsch},
     title = {Ueber bitern\"are {Formen} mit contragredienten {Variabein.} {Von} {A.} {Clebsch} und {P.} {Gordan}},
     journal = {Mathematische Annalen},
     pages = {359--400},
     publisher = {mathdoc},
     volume = {1},
     year = {1869},
     zbl = {02.0062.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1869__1_156414/}
}