%0 Journal Article %A Edward Bierstone %A Pierre D. Milman %A Wiesław Pawłucki %T Higher-order tangents and Fefferman’s paper on Whitney’s extension problem %J Annals of mathematics %D 2006 %P 361-370 %V 164 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2006.164.361/ %R 10.4007/annals.2006.164.361 %G en %F 10_4007_annals_2006_164_361