@article{TMF_1975_25_2_a8,
     author = {V. G. Bar'yakhtar and D. A. Yablonskii},
     title = {On~a~ representation for spin operators and its use in the theory of magnetism},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {250--259},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_25_2_a8/}
}