%0 Journal Article %A F. Natterer %T On the Inversion of the Attenuated Radon Transform. %J Numerische Mathematik %D 1979 %P 431-438 %V 32 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1979__32_132621/ %F NUMA_1979__32_132621