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@article{CMH_1982__57_139915, author = {H.M. Reimann}, title = {Invariant differential operators in hyperbolic spaces.}, journal = {Commentarii mathematici Helvetici}, pages = {412--444}, publisher = {mathdoc}, volume = {57}, year = {1982}, zbl = {0512.53048}, url = {http://geodesic.mathdoc.fr/item/CMH_1982__57_139915/} }
H.M. Reimann. Invariant differential operators in hyperbolic spaces.. Commentarii mathematici Helvetici, Tome 57 (1982), pp. 412-444. http://geodesic.mathdoc.fr/item/CMH_1982__57_139915/