%0 Journal Article %A Yu. V. Egorov %A V. A. Kondrat'ev %T On estimates of the negative spectrum for the Schr\"odinger operator %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1988 %P 239-240 %V 43 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1988_43_1_a15/ %G en %F RM_1988_43_1_a15