@article{RM_1964_19_6_a13,
     author = {G. M. Zhislin},
     title = {A~condition for the discreteness of the negative spectrum of the {Schr\"odinger} opertor},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     publisher = {mathdoc},
     volume = {19},
     number = {6},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/RM_1964_19_6_a13/}
}