@article{JRAM_1993__435_153491,
     author = {Hongming Ding and Kenneth I. Gross},
     title = {Operator-valued {Bessel} functions on {Jordan} algebras.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {157--196},
     publisher = {mathdoc},
     volume = {435},
     year = {1993},
     zbl = {0769.33015},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1993__435_153491/}
}