%0 Journal Article %A Klartag, B. %A Zobin, N. %T $C^1$ extensions of functions and stabilization of Glaeser refinements. %J Revista matemática iberoamericana %D 2007 %P 635-669 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RMI_2007_2007_1_a23/ %G en %F RMI_2007_2007_1_a23