@article{MAN_1963__149_161026,
     author = {H. L\"UNEBURG},
     title = {Steinersche {Tripelsysteme} mit fahnentransitiver {Kollineationsgruppe.}},
     journal = {Mathematische Annalen},
     pages = {261--270},
     year = {1963},
     volume = {149},
     zbl = {0105.13102},
     url = {http://geodesic.mathdoc.fr/item/MAN_1963__149_161026/}
}