@article{TMF_1973_16_2_a9,
     author = {M. A. Antonets and G. M. Zhislin and I. A. Shereshevskii},
     title = {On the discrete spectrum of the {Hamiltonian} of an $n$-particle quantum system},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {235--246},
     publisher = {mathdoc},
     volume = {16},
     number = {2},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1973_16_2_a9/}
}