%0 Journal Article %A Éliane Bécache %A Sonia Fliss %A Maryna Kachanovska %A Maria Kazakova %T On a surprising instability result of Perfectly Matched Layers for Maxwell’s equations in 3D media with diagonal anisotropy %J Comptes Rendus. Mathématique %D 2021 %P 249-256 %V 359 %N 3 %I Académie des sciences, Paris %R 10.5802/crmath.165 %G en %F CRMATH_2021__359_3_249_0