%0 Journal Article %A A. M. Pyzh'yanov %T Poles of the ``exterior domain'' of the scattering operator for the system of Maxwell equations %J Differencialʹnye uravneniâ %D 1979 %P 465-478 %V 15 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_3_a10/ %G ru %F DE_1979_15_3_a10