%0 Journal Article %A Jensen, Robert R. %T Viscosity solutions of elliptic partial differential equations %J Documenta mathematica %D 1998 %P 31-38 %V ICM Berlin 1998, Vol. III %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a75/ %G en %F DOCMA_1998__S9__a75