%0 Journal Article %A A. S. Andrenko %A A. I. Nosich %A V. P. Shestopalov %T Reciprocity theorem in problems of the scattering of waves by %J Doklady Akademii Nauk %D 1990 %P 1110-1115 %V 311 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_311_5_a20/ %G ru %F DAN_1990_311_5_a20