@INPROCEEDINGS {40642,
author={A. S. Santos and J.  Moura and J. Xavier},
doi={10.1109/ACSSC.2015.7421357},
booktitle={49th Asilomar Conference on Signals, Systems and Computers},
title={Sufficient condition for survival of the fittest in a bi-virus epidemics},
year={2016},
month={November},
volume={},
pages={-} 
}