@article{TMF_1982_50_3_a11,
     author = {A. V. Vedyaev and V. A. Ivanov},
     title = {Elementary excitations in {the~Hubbard} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {415--419},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_50_3_a11/}
}