%0 Journal Article
%A S. L. Sobolev
%T A difference analogue of a polyharmonic equation
%J Doklady Akademii Nauk
%D 1965
%P 54-57
%V 164
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1965_164_1_a12/
%G ru
%F DAN_1965_164_1_a12