@article{MZ_1971__120_171511,
     author = {Wolfgang Kr\"uger},
     title = {Kegelschnitte in {Moufangebenen.}},
     journal = {Mathematische Zeitschrift},
     pages = {41--60},
     publisher = {mathdoc},
     volume = {120},
     year = {1971},
     zbl = {0206.49502},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__120_171511/}
}