@article{MZ_1969__112_171219,
     author = {Ascher Wagner},
     title = {Involutions of {Projective} {Spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {37--51},
     publisher = {mathdoc},
     volume = {112},
     year = {1969},
     zbl = {0189.20701},
     url = {http://geodesic.mathdoc.fr/item/MZ_1969__112_171219/}
}