@article{MAN_1930__102_159395,
     author = {H. Mohrmann},
     title = {Begr\"undung der projektiven {Geometrie} im offenen {Kontinuum}},
     journal = {Mathematische Annalen},
     pages = {531--543},
     publisher = {mathdoc},
     volume = {102},
     year = {1930},
     zbl = {55.0310.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1930__102_159395/}
}