@article{JEP_2019__6__469_0, author = {Gee, Toby and Ta{\"\i}bi, Olivier}, title = {Arthur{\textquoteright}s multiplicity formula for ${\protect \bf GSp}_4$ and restriction to ${\protect \bf Sp}_4$}, journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques}, pages = {469--535}, publisher = {Ecole polytechnique}, volume = {6}, year = {2019}, doi = {10.5802/jep.99}, zbl = {07088011}, mrnumber = {3991897}, language = {en}, url = {http://www.numdam.org/articles/10.5802/jep.99/} }