%0 Journal Article %A V. P. Mikhailov %T Existence of boundary values for biharmonic functions %J Sbornik. Mathematics %D 2004 %P 1781-1793 %V 195 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2004_195_12_a4/ %G en %F SM_2004_195_12_a4