@article{TMF_1978_37_3_a7,
     author = {V. K. Fedyanin and L. V. Yakushevich},
     title = {Elementary excitations in one-dimensional systems with resonance interaction},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {371--381},
     publisher = {mathdoc},
     volume = {37},
     number = {3},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1978_37_3_a7/}
}