@article{Dai-Mod-Rem-Geu-2022,
    author={Ruiyang Dai and Axel Modave and Jean-François Remacle and 
           Christophe Geuzaine },
    title={Multidirectionnal sweeping preconditioners with 
           non-overlapping checkerboard domain decomposition for 
           Helmholtz problems },
    doi={10.1016/j.jcp.2021.110887 },
    journal={Journal of Computational Physics },
    year={2022 },
    month={3},
    volume={453 },
    pages={110887},
}