TY - JOUR AU - V. G. Bar'yakhtar AU - D. A. Yablonskii TI - On~a~ representation for spin operators and its use in the theory of magnetism JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1975 SP - 250 EP - 259 VL - 25 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1975_25_2_a8/ LA - ru ID - TMF_1975_25_2_a8 ER -