@article{MAN_1886__28_157251, author = {Sturm}, title = {Zur {Theorie} der {Collineation} und {Correlation}}, journal = {Mathematische Annalen}, pages = {268--276}, publisher = {mathdoc}, volume = {28}, year = {1886}, zbl = {18.0541.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1886__28_157251/} }