TY - JOUR AU - G. M. Zhislin TI - A~condition for the discreteness of the negative spectrum of the Schr\"odinger opertor JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1964 VL - 19 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1964_19_6_a13/ LA - ru ID - RM_1964_19_6_a13 ER -