@article{1103899638,
author = {Kunz, H. and Pfister, C.-E.},
title = {First order phase transition in the plane rotator ferromagnetic model in two dimensions},
journal = {Comm. Math. Phys.},
volume = {46},
number = {1},
year = {1976},
pages = { 245-251},
language = {en},
url = {http://dml.mathdoc.fr/item/1103899638}
}
Kunz, H.; Pfister, C.-E. First order phase transition in the plane rotator ferromagnetic model in two dimensions. Comm. Math. Phys., Tome 46 (1976) no. 1, pp. 245-251. http://gdmltest.u-ga.fr/item/1103899638/