Voir la notice de l'article provenant de la source European Digital Mathematics Library
@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/} }
A. Stoll. Die Steinersche Hypozykloide. II.. Elemente der Mathematik, Tome 5 (1950), pp. 73-78. http://geodesic.mathdoc.fr/item/ELMA_1950__5_140543/