@article{MZ_1930__32_168212,
     author = {E. Podehl},
     title = {\"Uber ber\"uhrende {Kegelschnitte}},
     journal = {Mathematische Zeitschrift},
     pages = {59--63},
     publisher = {mathdoc},
     volume = {32},
     year = {1930},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1930__32_168212/}
}