@article{Cas-Haz-2013,
    author={Maxence Cassier and Christophe Hazard },
    title={Multiple scattering of acoustic waves by small sound-soft 
           obstacles in two dimensions: mathematical justification of the 
           Foldy--Lax model },
    doi={10.1016/j.wavemoti.2012.06.001 },
    journal={Wave Motion },
    year={2013 },
    volume={50 },
    pages={18--28},
}