%0 Journal Article
%A M. V. Korovina
%T Investigation of the $\zeta$-function of operators for a class of nonlocal elliptic problems
%J Differencialʹnye uravneniâ
%D 1999
%P 1067-1076
%V 35
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1999_35_8_a8/
%G ru
%F DE_1999_35_8_a8