@article{MZ_1973__130_171864,
     author = {Helmut Salzmann},
     title = {Kompakte, vier-dimensionale projektive {Ebenen} mit 8-dimensionaler {Kollineationsgruppe.}},
     journal = {Mathematische Zeitschrift},
     pages = {235--248},
     publisher = {mathdoc},
     volume = {130},
     year = {1973},
     zbl = {0239.50014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__130_171864/}
}