TY  - JOUR
AU  - Horst Martini
AU  - Zokhrab Mustafaev
TI  - Estimates on inner and outer radii of unit balls in normed spaces
JO  - Colloquium Mathematicum
PY  - 2011
SP  - 211
EP  - 217
VL  - 123
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm123-2-5/
DO  - 10.4064/cm123-2-5
LA  - en
ID  - 10_4064_cm123_2_5
ER  -