@article{AA_1997_9_1_a7,
     author = {S. V. Khryashchev},
     title = {The density of states of the spectrum of the {Schr\"odinger} operator with a radial potential},
     journal = {Algebra i analiz},
     pages = {201--212},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1997_9_1_a7/}
}