%0 Journal Article %A Baracco, Luca %A Zampieri, Giuseppe %T CR Extension from Manifolds of Higher Type %J Canadian journal of mathematics %D 2008 %P 1219-1239 %V 60 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2008-052-x/ %R 10.4153/CJM-2008-052-x %F 10_4153_CJM_2008_052_x