Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1965__20_140804, author = {Michael Goldberg}, title = {Packing of 18 {Equal} {Circles} on a {Sphere.}}, journal = {Elemente der Mathematik}, pages = {59--61}, publisher = {mathdoc}, volume = {20}, year = {1965}, zbl = {0129.37502}, url = {http://geodesic.mathdoc.fr/item/ELMA_1965__20_140804/} }
Michael Goldberg. Packing of 18 Equal Circles on a Sphere.. Elemente der Mathematik, Tome 20 (1965), pp. 59-61. http://geodesic.mathdoc.fr/item/ELMA_1965__20_140804/