@article{JRAM_1987__380_152961,
     author = {H. Schlichtkrull and E.P. van den Ban},
     title = {Asymptotic expansions and boundary values of eigenfunctions on {Riemannian} symmetric spaces.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {108--165},
     publisher = {mathdoc},
     volume = {380},
     year = {1987},
     zbl = {0631.58028},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__380_152961/}
}