@article{TMF_1976_27_3_a10,
     author = {M. F. Olekseeva and K. D. Tovstyuk},
     title = {Group-theoretical diagram method for solving the hubbard problem},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {386--391},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_27_3_a10/}
}