@ARTICLE{Damski2015a,
title = {From the quantum Ising model to sums leading to hyperbolic functions},
journal = {ArXiv e-prints},
author = {{Damski}, B.},
month = {jun},
year = {2015},
eprint = {1506.04759},
keywords = {Quantum Physics},
archiveprefix = {arXiv},
adsnote = {Provided by the SAO/NASA Astrophysics Data System},
primaryclass = {quant-ph},
adsurl = {http://adsabs.harvard.edu/abs/2015arXiv150604759D}
}