@article{AIHPA_1971__15_1_61_0,
     author = {Lima, R.},
     title = {Equivalence of ensembles in quantum lattice systems},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {61--68},
     publisher = {Gauthier-Villars},
     volume = {15},
     number = {1},
     year = {1971},
     mrnumber = {287866},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1971__15_1_61_0/}
}