@article{SM_1974_23_4_a4,
     author = {D. R. Yafaev},
     title = {On the theory of the discrete spectrum of the three-particle {Schr\"odinger} operator},
     journal = {Sbornik. Mathematics},
     pages = {535--559},
     publisher = {mathdoc},
     volume = {23},
     number = {4},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1974_23_4_a4/}
}