%0 Journal Article %A Charles Fefferman %T Fitting a $C^m$-smooth function to data, III %J Annals of mathematics %D 2009 %P 427-441 %V 170 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.427/ %R 10.4007/annals.2009.170.427 %G en %F 10_4007_annals_2009_170_427