@article{MAN_1892__40_157583,
     author = {P. Muth},
     title = {Ueber {Covarianten} ebener {Collineationen.}},
     journal = {Mathematische Annalen},
     pages = {89--98},
     publisher = {mathdoc},
     volume = {40},
     year = {1892},
     zbl = {24.0686.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1892__40_157583/}
}