%0 Journal Article %A A. I. Katsevich %A A. G. Ramm %T Some mathematical results in theory of signal and image %J Doklady Akademii Nauk %D 1994 %P 11-14 %V 339 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_339_1_a1/ %G ru %F DAN_1994_339_1_a1