%0 Journal Article %A Vilhelm Adolfsson %T L2-Integrability of Second Order Derivatives for Poisson's Equation in Nonsmooth Domains. %J Mathematica Scandinavica %D 1992 %P 146-160 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1992__70_1_167192/ %F MS2_1992__70_1_167192