@article{9811135,
author = {Winn, A. E.},
title = {The Hyperbolic Heisenberg and Sigma Models in (1+1)-dimensions},
journal = {arXiv},
volume = {1998},
number = {0},
year = {1998},
language = {en},
url = {http://dml.mathdoc.fr/item/9811135}
}
Winn, A. E. The Hyperbolic Heisenberg and Sigma Models in (1+1)-dimensions. arXiv, Tome 1998 (1998) no. 0, . http://gdmltest.u-ga.fr/item/9811135/