TY - JOUR AU - E. V. Gusev TI - Thermodynamics and excited states of the Heisenberg model JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1985 SP - 303 EP - 311 VL - 63 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1985_63_2_a12/ LA - ru ID - TMF_1985_63_2_a12 ER -