TY  - JOUR
AU  - B.R. KRIPKE
TI  - Best Approximation with Respect to Nearby Norms.
JO  - Numerische Mathematik
PY  - 1964
SP  - 103
EP  - 105
VL  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1964__6_131598/
ID  - NUMA_1964__6_131598
ER  -