@article{GDZPPN00206474X,
title = {Invariant differential operators in hyperbolic spaces.},
journal = {Commentarii mathematici Helvetici},
volume = {57},
year = {1982},
pages = {412-444},
zbl = {0512.53048},
url = {http://dml.mathdoc.fr/item/GDZPPN00206474X}
}
Reimann, H.M. Invariant differential operators in hyperbolic spaces.. Commentarii mathematici Helvetici, Tome 57 (1982) pp. 412-444. http://gdmltest.u-ga.fr/item/GDZPPN00206474X/