@article{DE_1990_26_11_a18,
     author = {V. M. Manakov},
     title = {An estimate for the number of negative eigenvalues of the {Schr\"odinger} operator by means of weighted {Hardy} inequalities},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1978--1982},
     publisher = {mathdoc},
     volume = {26},
     number = {11},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_11_a18/}
}