@article{MAN_1875__9_156704,
     author = {Harnack},
     title = {Ueber eine {Behandlungsweise} der algebraischen {Differentiale} in homogenen {Coordinaten}},
     journal = {Mathematische Annalen},
     pages = {371--424},
     publisher = {mathdoc},
     volume = {9},
     year = {1875},
     zbl = {07.0247.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1875__9_156704/}
}