@article{JOLT_2007_17_2_a4,
     author = {S. Helgason},
     title = {The {Inversion} of the {X-ray} {Transform} on a {Compact} {Symmetric} {Space}},
     journal = {Journal of Lie Theory},
     pages = {307--315},
     year = {2007},
     volume = {17},
     number = {2},
     doi = {10.5802/jolt.448},
     zbl = {1131.22006},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.448/}
}