%0 Journal Article %A T. S. Pigolkina %T Imbedding theorems for functions defined on unbounded regions and their application to boundary value problems for the polyharmonic equation %J Doklady Akademii Nauk %D 1966 %P 1012-1014 %V 168 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_168_5_a10/ %G ru %F DAN_1966_168_5_a10