%0 Journal Article %A V. A. Doroshenko %A V. F. Kravchenko %T Paired Sum Equations and Singular Integral Equations in Electromagnetic Scattering by Open Conical Structures %J Differencialʹnye uravneniâ %D 2003 %P 1209-1213 %V 39 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2003_39_9_a5/ %G ru %F DE_2003_39_9_a5