@article{1103840806,
author = {Lanford, Oscar E. and Robinson, Derek W.},
title = {Statistical mechanics of quantum spin systems. III},
journal = {Comm. Math. Phys.},
volume = {7},
number = {1},
year = {1968},
pages = { 327-338},
language = {en},
url = {http://dml.mathdoc.fr/item/1103840806}
}
Lanford, Oscar E.; Robinson, Derek W. Statistical mechanics of quantum spin systems. III. Comm. Math. Phys., Tome 7 (1968) no. 1, pp. 327-338. http://gdmltest.u-ga.fr/item/1103840806/