@inproceedings{Bec-Jol-Tso-1998,
    author={Éliane Bécache and Patrick Joly and Chrysoula Tsogka },
    title={Fictitious domain method applied to the scattering by a crack 
           of transient elastic waves in anisotropic media: a new family 
           of mixed finite elements leading to explicit schemes },
    organization={Fourth Int. Conf. on Mathematical and numerical aspects of 
           wave propagation (Golden, CO, 1998) },
    year={1998 },
    pages={322--326},
    publisher={SIAM, Philadelphia, PA, 1998 },
}