@article{IM2_1976_10_4_a11,
     author = {D. R. Yafaev},
     title = {On the point spectrum in the quantum-mechanical many-body problem},
     journal = {Izvestiya. Mathematics },
     pages = {861--896},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1976_10_4_a11/}
}