%0 Journal Article %A G. M. Zhislin %T A~condition for the discreteness of the negative spectrum of the Schr\"odinger opertor %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1964 %V 19 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1964_19_6_a13/ %G ru %F RM_1964_19_6_a13