@article{M2AN_2000__34_4_723_0, author = {Vogelius, Michael S. and Volkov, Darko}, title = {Asymptotic formulas for perturbations in the electromagnetic fields due to the presence of inhomogeneities of small diameter}, journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique}, pages = {723--748}, publisher = {Dunod}, address = {Paris}, volume = {34}, number = {4}, year = {2000}, mrnumber = {1784483}, zbl = {0971.78004}, language = {en}, url = {http://archive.numdam.org/item/M2AN_2000__34_4_723_0/} }