@article{MAN_1996__305_2_182986,
     author = {Jian-Shu Li and Chen-Bo Zhu},
     title = {On the decacy of matrix coefficients for exceptional groups.},
     journal = {Mathematische Annalen},
     pages = {249--270},
     publisher = {mathdoc},
     volume = {305},
     number = {2},
     year = {1996},
     zbl = {0854.22023},
     url = {http://geodesic.mathdoc.fr/item/MAN_1996__305_2_182986/}
}