@article{JLT_1998_8_2_a18,
     author = {A. G. Robertson},
     title = {Addendum to {'Crofton} {Formulae} and {Geodesic} {Distance} in {Hyperbolic} {Spaces'} {(Journal} of {Lie} {Theory} 8 (1998), {Number} 1, 163--172)},
     journal = {Journal of Lie theory},
     pages = {441--441},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/JLT_1998_8_2_a18/}
}