%0 Journal Article %A A. D. Koshelev %T An application of polyharmonic functions in the theory of elasticity %J Doklady Akademii Nauk %D 1977 %P 329-331 %V 233 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_233_3_a17/ %G ru %F DAN_1977_233_3_a17