%0 Journal Article
%A V. E. Shatalov
%T Dirichlet series that are composed of the eigenvalues of boundary value problems for an arbitrary second order elliptic differential operator
%J Differencialʹnye uravneniâ
%D 1972
%P 1267-1282
%V 8
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_7_a12/
%G ru
%F DE_1972_8_7_a12