%0 Journal Article
%A M.C. Spruill
%T Optimal Extrapolation of Derivatives.
%J Metrika
%D 1987
%P 45-60
%V 34
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MET_1987__34_176094/
%F MET_1987__34_176094