TY  - JOUR
AU  - Charles Fefferman
TI  - $C^m$ extension by linear operators
JO  - Annals of mathematics
PY  - 2007
SP  - 779
EP  - 835
VL  - 166
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4007/annals.2007.166.779/
DO  - 10.4007/annals.2007.166.779
LA  - en
ID  - 10_4007_annals_2007_166_779
ER  -