%0 Journal Article %A Kjell-Ove Widman %T Inequalities for the Green Function and Boundary Continuity of the Gradient of Solutions of Elliptic Differential Equations. %J Mathematica Scandinavica %D 1967 %P 17-37 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1967__21_166001/ %F MS2_1967__21_166001