@article{TMF_2007_153_3_a4,
     author = {M. I. Muminov},
     title = {Positivity of the two-particle {Hamiltonian} on a lattice},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {381--387},
     publisher = {mathdoc},
     volume = {153},
     number = {3},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_153_3_a4/}
}