@article{SM_1979_35_2_a8,
     author = {D. R. Yafaev},
     title = {On the singular spectrum in a~system of three particles},
     journal = {Sbornik. Mathematics},
     pages = {283--300},
     year = {1979},
     volume = {35},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1979_35_2_a8/}
}