@article{DAN_1982_267_4_a3,
     author = {S. A. Vugal'ter and G. M. Zhislin},
     title = {On the discrete spectrum of {Schr\"odinger} operators of many-particle systems with two-particle virtual levels},
     journal = {Doklady Akademii Nauk},
     pages = {784--786},
     publisher = {mathdoc},
     volume = {267},
     number = {4},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_267_4_a3/}
}