%0 Journal Article
%A D. F. Kharazov
%T The estimates of eigenvalues of certain operators with a discrete spectrum
%J Differencialʹnye uravneniâ
%D 1965
%P 1054-1069
%V 1
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1965_1_8_a5/
%G ru
%F DE_1965_1_8_a5