%0 Journal Article
%A Yu. V. Egorov
%A V. A. Kondrat'ev
%T On an estimate of the number of points of the negative spectrum of the Schr\"odinger operator
%J Sbornik. Mathematics
%D 1989
%P 551-566
%V 62
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1989_62_2_a13/
%G en
%F SM_1989_62_2_a13