%0 Journal Article
%A G. I. Bass
%T The asymptotic behavior of the spectral function for elliptic operators in an~unbounded region
%J Matematičeskie zametki
%D 1969
%P 245-251
%V 5
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1969_5_2_a11/
%G ru
%F MZM_1969_5_2_a11