%0 Journal Article %A A. G. Kyurkchan %T An inverse scattering problem for the Helmholtz equation %J Doklady Akademii Nauk %D 1984 %P 48-51 %V 275 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_275_1_a10/ %G ru %F DAN_1984_275_1_a10