@article{TMF_2012_170_3_a5,
     author = {S. N. Lakaev and S. S. Ulashov},
     title = {Existence and analyticity of bound states of a~two-particle {Schr\"odinger} operator on a~lattice},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {393--408},
     publisher = {mathdoc},
     volume = {170},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2012_170_3_a5/}
}