BibTex format
@article{de:2013:10.1007/JHEP07(2013)067,
author = {de, Fromont P and de, Rham C and Heisenberg, L and Matas, A},
doi = {10.1007/JHEP07(2013)067},
journal = {JOURNAL OF HIGH ENERGY PHYSICS},
title = {Superluminality in the Bi- and Multi-Galileon},
url = {http://dx.doi.org/10.1007/JHEP07(2013)067},
year = {2013}
}