Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1991__46_2_141512, author = {H. Rummler}, title = {On two characteristic properties of {Euclidean} norms.}, journal = {Elemente der Mathematik}, pages = {111--115}, publisher = {mathdoc}, volume = {46}, number = {2}, year = {1991}, zbl = {0741.15020}, url = {http://geodesic.mathdoc.fr/item/ELMA_1991__46_2_141512/} }
H. Rummler. On two characteristic properties of Euclidean norms.. Elemente der Mathematik, Tome 46 (1991) no. 2, pp. 111-115. http://geodesic.mathdoc.fr/item/ELMA_1991__46_2_141512/