%0 Journal Article
%A A. V. Babin
%T On the expression of a~solution of the equation $Au=h$ in terms of iterations of the unbounded operator $A$, and the weighted approximation of functions
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1979
%P 195
%V 34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1979_34_3_a4/
%G en
%F RM_1979_34_3_a4