Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1962__17_140751, author = {Kuno Fladt}, title = {Das {Keplersche} {Ei.}}, journal = {Elemente der Mathematik}, pages = {73--78}, publisher = {mathdoc}, volume = {17}, year = {1962}, language = {de}, url = {http://geodesic.mathdoc.fr/item/ELMA_1962__17_140751/} }
Kuno Fladt. Das Keplersche Ei.. Elemente der Mathematik, Tome 17 (1962), pp. 73-78. http://geodesic.mathdoc.fr/item/ELMA_1962__17_140751/