@article{Babujian2013,
author = {Babujian, Hrachya M. and Foerster, Angela and Karowski, Michael},
year = {2013},
language = {eng},
copyright = {http://creativecommons.org/licenses/by/4.0/},
title = {Exact form factors of the O(N) σ-model},
issn = {1029-8479},
url = "http://dx.doi.org/10.17169/refubium-21271",
}