%0 Journal Article %A Uhlmann, Gunther %T Inverse boundary value problems for partial differential equations %J Documenta mathematica %D 1998 %P 77-86 %V ICM Berlin 1998, Vol. III %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a70/ %G en %F DOCMA_1998__S9__a70