%0 Journal Article %A I. N. Tavkhelidze %T An analogue of St.\,Venant's principle for a polyharmonic equation and applications of~it %J Sbornik. Mathematics %D 1983 %P 237-253 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1983_46_2_a5/ %G en %F SM_1983_46_2_a5