@article{TMF_1982_50_3_a16,
     author = {V. V. Val'kov and S. G. Ovchinnikov},
     title = {Hubbard operators and spin-wave theory of {Heisenberg} magnets with arbitrary spin},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {466--476},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_50_3_a16/}
}