TY - JOUR AU - Martin Costabel AU - Eric Darrigrand AU - Hamdi Sakly TI - The essential spectrum of the volume integral operator in electromagnetic scattering by a homogeneous body JO - Comptes Rendus. Mathématique PY - 2012 SP - 193 EP - 197 VL - 350 IS - 3-4 PB - Elsevier DO - 10.1016/j.crma.2012.01.017 LA - en ID - CRMATH_2012__350_3-4_193_0 ER -