@inproceedings{Bec-Bon-Leg-2003,
    author={Éliane Bécache and Anne-Sophie Bonnet-BenDhia and Guillaume 
           Legendre },
    title={Perfectly matched layers for the convected Helmholtz equation },
    doi={10.1137/s0036142903420984 },
    organization={Sixth International Conference on Mathematical and Numerical 
           Aspects of Wave Propagation, Jyväskylä, Finland },
    booktitle={SIAM Journal on Numerical Analysis },
    year={2003 },
    volume={42 (1) },
    pages={409--433},
    publisher={Springer },
}