@article{TMF_1985_63_2_a12,
     author = {E. V. Gusev},
     title = {Thermodynamics and excited states of the {Heisenberg} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {303--311},
     year = {1985},
     volume = {63},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1985_63_2_a12/}
}