%0 Journal Article %A G. M. Kobel'kov %T Reduction of a boundary value problem for a biharmonic equation to %J Doklady Akademii Nauk %D 1985 %P 539-541 %V 283 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_283_3_a4/ %G ru %F DAN_1985_283_3_a4