%0 Journal Article %A S. I. Smagin %T On a system of integral equations in diffraction theory %J Differencialʹnye uravneniâ %D 1990 %P 1432-1437 %V 26 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_8_a19/ %G ru %F DE_1990_26_8_a19