@article{MM2_1994__85_3-4_156013,
     author = {Juan A. Tirao},
     title = {On the centralizer of {K} in the universal enveloping algebra of {SO(n,1)} and {SU(n,1).}},
     journal = {Manuscripta mathematica},
     pages = {119--140},
     publisher = {mathdoc},
     volume = {85},
     number = {3-4},
     year = {1994},
     zbl = {0813.22005},
     url = {http://geodesic.mathdoc.fr/item/MM2_1994__85_3-4_156013/}
}