@article{BAG_1981__11_138202,
     author = {U. STERZ and K. DRECHSLER},
     title = {Eine {Anzahlbestimmung} f\"ur mittelbar superoskulierende {Kegelschnitte}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {145--147},
     publisher = {mathdoc},
     volume = {11},
     year = {1981},
     zbl = {0478.14044},
     url = {http://geodesic.mathdoc.fr/item/BAG_1981__11_138202/}
}