%0 Journal Article
%A B.R. KRIPKE
%T Best Approximation with Respect to Nearby Norms.
%J Numerische Mathematik
%D 1964
%P 103-105
%V 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1964__6_131598/
%F NUMA_1964__6_131598