%0 Journal Article
%A B. K. Pchelin
%T On the general theory of polyharmonic functions
%J Doklady Akademii Nauk
%D 1969
%P 993-994
%V 187
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_187_5_a7/
%G ru
%F DAN_1969_187_5_a7