@article{MAN_1957__134_160592,
     author = {R. Wagner},
     title = {Projektive {Bewegungsgruppen} {I.}},
     journal = {Mathematische Annalen},
     pages = {308--335},
     publisher = {mathdoc},
     volume = {134},
     year = {1957},
     url = {http://geodesic.mathdoc.fr/item/MAN_1957__134_160592/}
}