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@article{MAN_1869__1_156398, author = {P. Gordan}, title = {Ueber tern\"are {Formen} dritten {Grades.}}, journal = {Mathematische Annalen}, pages = {90--128}, publisher = {mathdoc}, volume = {1}, year = {1869}, zbl = {02.0061.02}, url = {http://geodesic.mathdoc.fr/item/MAN_1869__1_156398/} }
P. Gordan. Ueber ternäre Formen dritten Grades.. Mathematische Annalen, Tome 1 (1869), pp. 90-128. http://geodesic.mathdoc.fr/item/MAN_1869__1_156398/