TY - JOUR AU - Dinh-Liem Nguyen AU - Thi-Phong Nguyen TI - Electromagnetic scattering by periodic structures with sign-changing coefficients JO - Comptes Rendus. Mathématique PY - 2015 SP - 893 EP - 898 VL - 353 IS - 10 PB - Elsevier DO - 10.1016/j.crma.2015.07.004 LA - en ID - CRMATH_2015__353_10_893_0 ER -