@article{CRMATH_2021__359_3_249_0,
     author = {B\'ecache, \'Eliane and Fliss, Sonia and Kachanovska, Maryna and Kazakova, Maria},
     title = {On a surprising instability result of {Perfectly} {Matched} {Layers} for {Maxwell{\textquoteright}s} equations in {3D} media with diagonal anisotropy},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {249--256},
     publisher = {Acad\'emie des sciences, Paris},
     volume = {359},
     number = {3},
     year = {2021},
     doi = {10.5802/crmath.165},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/crmath.165/}
}