%0 Journal Article
%A N. A. Sidorov
%T The calculation of eigenvalues and -vectors of linear operators on the basis of the theory of perturbations
%J Differencialʹnye uravneniâ
%D 1978
%P 1522-1525
%V 14
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1978_14_8_a25/
%G ru
%F DE_1978_14_8_a25