@inproceedings{Cak-Had-2003,
    author={Fioralba Cakoni and Houssem Haddar },
    title={Interior transmission problem for anisotropic media },
    organization={Mathematical and numerical aspects of wave propagation, 
           Jyväskylä , Finland },
    year={2003 },
    pages={613--618},
    publisher={Springer },
}