TY - JOUR AU - Griesmaier, Roland TI - A general perturbation formula for electromagnetic fields in presence of low volume scatterers JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2011 SP - 1193 EP - 1218 VL - 45 IS - 6 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2011015/ DO - 10.1051/m2an/2011015 LA - en ID - M2AN_2011__45_6_1193_0 ER -