@inproceedings{Bon-Che-Cia-Cla-Naz-2013,
    author={Anne-Sophie Bonnet-BenDhia and Lucas Chesnel and Patrick 
           Ciarlet and Xavier Claeys and Sergei Nazarov },
    title={Negative materials and corners in electromagnetism },
    booktitle={Report No.3/2013 of Mathematisches Forschungsinstitut 
           Oberwolfach "Computational Electromagnetism and Acoustics", 
           Oberwolfach., Allemagne },
    year={2013 },
}