BibTex format
@article{Hoare:2019:10.1007/JHEP12(2019)146,
author = {Hoare, B and Levine, N and Tseytlin, AA},
doi = {10.1007/JHEP12(2019)146},
journal = {The Journal of High Energy Physics},
pages = {1--32},
title = {Integrable sigma models and 2-loop RG flow},
url = {http://dx.doi.org/10.1007/JHEP12(2019)146},
volume = {2019},
year = {2019}
}