@article{denicol_mota_kodama_koide_2007,  title={Causal structure of relativistic dissipative hydrodynamics},  volume={37},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332007000100030},  DOI={10.1590/S0103-97332007000100030},  number={1a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Denicol, G. S. and Mota, Ph. and Kodama, T. and Koide, T.},  year={2007},  month={Mar},  pages={102–105} }