@article{TMF_2006_148_3_a5,
     author = {M. I. Muminov},
     title = {A~Hunziker--van~Winter--Zhislin theorem for a~four-particle lattice {Schr\"odinger} operator},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {428--443},
     publisher = {mathdoc},
     volume = {148},
     number = {3},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2006_148_3_a5/}
}