@inproceedings{Bec-Bon-Leg-2005,
    author={Éliane Bécache and Anne-Sophie Bonnet-BenDhia and Guillaume 
           Legendre },
    title={Perfectly Matched Layers for time-harmonic acoustics in the 
           presence of a uniform flow },
    organization={7th International Conference on Mathematical and Numerical 
           Aspects of Waves (WAVES'05), Providence },
    year={2005 },
    month={6},
}