%0 Journal Article %A V. A. Sharafutdinov %T Exponential ray transformation on a Riemannian manifold %J Doklady Akademii Nauk %D 1995 %P 600-601 %V 340 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1995_340_5_a6/ %G ru %F DAN_1995_340_5_a6