@article{TMF_1971_7_3_a4,
     author = {G. M. Zhislin},
     title = {On the finiteness of the discrete spectrum of the energy operator of negative atomic and molecular ions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {332--341},
     publisher = {mathdoc},
     volume = {7},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1971_7_3_a4/}
}