@article{JRAM_1953__192_150257,
     author = {M. Pinl and Rahmat Ara},
     title = {Zur integrallosen {Darstellung} reeller isotropher {Kurven.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {204--209},
     publisher = {mathdoc},
     volume = {192},
     year = {1953},
     zbl = {0055.39802},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1953__192_150257/}
}