@article{TMF_2008_155_2_a7,
     author = {S. N. Lakaev and A. M. Khalkhuzhaev},
     title = {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 = {287--300},
     publisher = {mathdoc},
     volume = {155},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2008_155_2_a7/}
}