%0 Journal Article
%A N. B. Uskova
%T Estimates for spectral expansions of the eigenvectors of some classes of perturbed differential operators
%J Differencialʹnye uravneniâ
%D 1997
%P 564-566
%V 33
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1997_33_4_a21/
%G ru
%F DE_1997_33_4_a21