Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1949__4_140513, author = {G. Grimm}, title = {Zur {Kreisberechnung} von {Huygens.}}, journal = {Elemente der Mathematik}, pages = {78--85}, publisher = {mathdoc}, volume = {4}, year = {1949}, language = {de}, url = {http://geodesic.mathdoc.fr/item/ELMA_1949__4_140513/} }
G. Grimm. Zur Kreisberechnung von Huygens.. Elemente der Mathematik, Tome 4 (1949), pp. 78-85. http://geodesic.mathdoc.fr/item/ELMA_1949__4_140513/