@article{ELMA_1950__5_140543,
     author = {A. Stoll},
     title = {Die {Steinersche} {Hypozykloide.} {II.}},
     journal = {Elemente der Mathematik},
     pages = {73--78},
     publisher = {mathdoc},
     volume = {5},
     year = {1950},
     zbl = {0037.21902},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1950__5_140543/}
}