@article{CM_1980__40_1_87_0, author = {Arthur, James}, title = {A trace formula for reductive groups. {II} : applications of a truncation operator}, journal = {Compositio Mathematica}, pages = {87--121}, year = {1980}, publisher = {Sijthoff et Noordhoff International Publishers}, volume = {40}, number = {1}, mrnumber = {558260}, zbl = {0499.10033}, language = {en}, url = {https://www.numdam.org/item/CM_1980__40_1_87_0/} }