@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://www.numdam.org/item/M2AN_2000__34_4_723_0/}
}