@article{ELMA_1960__15_140718,
     author = {K. Fladt},
     title = {Die {Kegelschnittsfunktionen.}},
     journal = {Elemente der Mathematik},
     pages = {124--127},
     publisher = {mathdoc},
     volume = {15},
     year = {1960},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1960__15_140718/}
}