@article{TMF_2011_166_2_a3,
     author = {V. M. Zharkov and V. S. Kirchanov},
     title = {Supergroup approach to {the~Hubbard} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {245--260},
     publisher = {mathdoc},
     volume = {166},
     number = {2},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2011_166_2_a3/}
}