@article{ELMA_1951__6_140559,
     author = {L. Locher-Ernst},
     title = {Polarentheorie der {Eilinien.}},
     journal = {Elemente der Mathematik},
     pages = {1--7},
     publisher = {mathdoc},
     volume = {6},
     year = {1951},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1951__6_140559/}
}