@article{IM_1989__98_1_143747,
     author = {E.P.van den Ban and H. Schlichtkrull},
     title = {Local boundary data of eigenfunctions on a {Riemannian} symmetric space.},
     journal = {Inventiones mathematicae},
     pages = {639--657},
     publisher = {mathdoc},
     volume = {98},
     number = {1},
     year = {1989},
     zbl = {0698.43007},
     url = {http://geodesic.mathdoc.fr/item/IM_1989__98_1_143747/}
}