%0 Journal Article %A S. P. Efimov %A R. Z. Muratov %T Scattering theory interference theorems in vector problems of low-frequency diffraction %J Doklady Akademii Nauk %D 1978 %P 1315-1318 %V 241 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_241_6_a15/ %G ru %F DAN_1978_241_6_a15