%0 Journal Article
%A G. S. Popov
%A M. A. Shubin
%T Asymptotic expansion of the spectral function for second-order elliptic operators in $\mathbb{R}^n$
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1983
%P 37-45
%V 17
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1983_17_3_a4/
%G ru
%F FAA_1983_17_3_a4