@article{Cak-Far-Had-2006,
    author={Fioralba Cakoni and M'Barek Fares and Houssem Haddar },
    title={Analysis of two linear sampling methods applied to 
           electromagnetic imaging of buried objects },
    doi={10.1088/0266-5611/22/3/007 },
    journal={Inverse problems },
    year={2006 },
    volume={22 },
    pages={845--867},
}