%0 Journal Article
%A H.C. KRANZER
%T An Error Formula for Numerical Differentiation.
%J Numerische Mathematik
%D 1963
%P 439-442
%V 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NUMA_1963__5_131583/
%F NUMA_1963__5_131583