%0 Journal Article %A Marcela Sanmartino %T The Calderón Projector for an Elliptic Operator in Divergence Form. %J The journal of Fourier analysis and applications [[Elektronische Ressource]] %D 2001 %P 615-632 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JFAA_2001__7_4_59701/ %F JFAA_2001__7_4_59701