TY  - JOUR
AU  - Günter Ewald
AU  - Geoffrey C. Shephard
TI  - Normed vector spaces consisting of classes of convex sets.
JO  - Mathematische Zeitschrift
PY  - 1966
SP  - 1
EP  - 19
VL  - 91
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1966__91_170501/
ID  - MZ_1966__91_170501
ER  -