Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1952__125_160314, author = {B.L. Waerden van der and K. Sch\"utte}, title = {Das {Problem} der 13 {Kugeln.}}, journal = {Mathematische Annalen}, pages = {325--334}, publisher = {mathdoc}, volume = {125}, year = {1952}, zbl = {0050.16701}, url = {http://geodesic.mathdoc.fr/item/MAN_1952__125_160314/} }
B.L. Waerden van der; K. Schütte. Das Problem der 13 Kugeln.. Mathematische Annalen, Tome 125 (1952), pp. 325-334. http://geodesic.mathdoc.fr/item/MAN_1952__125_160314/