%0 Journal Article %A Jens Frehse %T On the Regularity of the Solution of the Biharmonic Variational Inequality. %J Manuscripta mathematica %D 1973 %P 91-104 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1973__9_154159/ %F MM2_1973__9_154159