@article{MZ_1958__69_169727,
     author = {Peter Dembowski},
     title = {Verallgemeinerungen von {Transitivit\"atsklassen} endlicher projektiver {Ebenen.}},
     journal = {Mathematische Zeitschrift},
     pages = {59--89},
     publisher = {mathdoc},
     volume = {69},
     year = {1958},
     zbl = {0078.12904},
     url = {http://geodesic.mathdoc.fr/item/MZ_1958__69_169727/}
}