@article{MZ_1929__29_168095,
     author = {E. Bompiani},
     title = {Ein {Analogon} der {Quadrik} von {Lie} in der projektiven {Fl\"achentheorie.}},
     journal = {Mathematische Zeitschrift},
     pages = {678--683},
     publisher = {mathdoc},
     volume = {29},
     year = {1929},
     zbl = {55.0415.04},
     url = {http://geodesic.mathdoc.fr/item/MZ_1929__29_168095/}
}