@article{TMF_2017_190_1_a5,
     author = {E. L. Lakshtanov and B. R. Vainberg},
     title = {A~test for the~existence of exceptional points in {the~Faddeev} scattering problem},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {87--103},
     publisher = {mathdoc},
     volume = {190},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2017_190_1_a5/}
}