BibTex format
@article{de:2018:10.1007/JHEP04(2018)083,
author = {de, Rham C and Melville, S and Tolley, AJ},
doi = {10.1007/JHEP04(2018)083},
journal = {Journal of High Energy Physics},
title = {Improved positivity bounds and massive gravity},
url = {http://dx.doi.org/10.1007/JHEP04(2018)083},
volume = {2018},
year = {2018}
}