@article{JOLT_1998_8_1_a10,
     author = {A. G. Robertson},
     title = { Crofton {Formulae} and {Geodesic} {Distance} in {Hyperbolic} {Spaces}},
     journal = {Journal of Lie Theory},
     pages = {163--172},
     year = {1998},
     volume = {8},
     number = {1},
     doi = {10.5802/jolt.136},
     zbl = {0891.43005},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.136/}
}