@article{JRAM_1992__423_153384,
     author = {Herv\'e Jacquet and Stephen Rallis},
     title = {Symplectic periods.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {175--198},
     publisher = {mathdoc},
     volume = {423},
     year = {1992},
     zbl = {0734.11035},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__423_153384/}
}