@article{MZ_1950__53_169185,
     author = {F. L\"obell},
     title = {Eine {Verallgemeinerung} des {Pentagramma} {Mirificum} ..},
     journal = {Mathematische Zeitschrift},
     pages = {236--243},
     publisher = {mathdoc},
     volume = {53},
     year = {1950},
     zbl = {0038.30702},
     url = {http://geodesic.mathdoc.fr/item/MZ_1950__53_169185/}
}