@article{TMF_2008_154_1_a3,
     author = {Yu. A. Izyumov and N. I. Chashchin},
     title = {Study of {the~Hubbard} model at half filling},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {63--76},
     publisher = {mathdoc},
     volume = {154},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2008_154_1_a3/}
}