@article{TMF_1975_25_1_a10,
     author = {A. F. Barabanov and K. A. Kikoin and L. A. Maksimov},
     title = {Graphical technique for the generalized {Hubbard} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {87--96},
     year = {1975},
     volume = {25},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_25_1_a10/}
}