@article{Had-Jol-NGu-2008,
    author={Houssem Haddar and Patrick Joly and Hoai Minh N'Guyen },
    title={Generalized impedance boundary conditions for scattering 
           problems from strongly absorbing obstacles: the case of 
           Maxwell's equations },
    doi={10.1142/S0218202508003194 },
    journal={Mathematical Models and Methods in Applied Sciences },
    year={2008 },
    month={10},
    volume={18, 10 },
    pages={1787--1827},
}