TY  - JOUR
AU  - H. Rummler
TI  - On two characteristic properties of Euclidean norms.
JO  - Elemente der Mathematik
PY  - 1991
SP  - 111
EP  - 115
VL  - 46
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ELMA_1991__46_2_141512/
ID  - ELMA_1991__46_2_141512
ER  -