%0 Journal Article %A M. Sh. Birman %A M. Z. Solomyak %T Principal singularities of the electric component of an electromagnetic field in regions with screens %J Algebra i analiz %D 1993 %P 143-159 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1993_5_1_a3/ %G ru %F AA_1993_5_1_a3