%0 Journal Article %A Gil, Juan B. %A Krainer, Thomas %A Mendoza, Gerardo A. %T Geometry and Spectra of Closed Extensions of Elliptic Cone Operators %J Canadian journal of mathematics %D 2007 %P 742-794 %V 59 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2007-033-7/ %R 10.4153/CJM-2007-033-7 %F 10_4153_CJM_2007_033_7