@article{MAN_1897__48_157835,
     author = {Max Simon},
     title = {Zwei {S\"atze} zur nichteuklidischen {Geometrie}},
     journal = {Mathematische Annalen},
     pages = {607--607},
     publisher = {mathdoc},
     volume = {48},
     year = {1897},
     zbl = {28.0420.06},
     url = {http://geodesic.mathdoc.fr/item/MAN_1897__48_157835/}
}