@article{TMF_2019_198_3_a2,
     author = {S. N. Lakaev and A. T. Boltaev},
     title = {Threshold phenomena in the~spectrum of the~two-particle {Schr\"odinger} operator on a~lattice},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {418--432},
     publisher = {mathdoc},
     volume = {198},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2019_198_3_a2/}
}