@article{Mau-Mer-Pha-Mar-Our-2019,
    author={A. Maurel and Jean-François Mercier and K. Pham and J.-J 
           Marigo and A. Ourir },
    title={Enhanced resonance of sparse arrays of Helmholtz 
           resonators—Application to perfect absorption },
    doi={10.1121/1.5098948 },
    journal={Journal of the Acoustical Society of America },
    year={2019 },
    month={4},
    volume={145 (4) },
    pages={2552--2560},
}