%0 Journal Article
%A S. M. Kozlov
%A M. A. Shubin
%T On the structure of functions of class $S$ of self-adjoint elliptic operators on $\mathbb R^n$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1982
%P 221-222
%V 37
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1982_37_2_a16/
%G en
%F RM_1982_37_2_a16