@article{Bec-Rod-Tso-2009-1,
    author={Éliane Bécache and Jerónimo Rodríguez and Chrysoula Tsogka },
    title={The Fictitious domain method and applications in wave 
           propagation. Part A and B: The acoustic and the elastic case. },
    journal={ECCOMAS Thematic Conference },
    year={2009 },
}