TY - JOUR AU - Arthur, James TI - Endoscopic $L$ -Functions and a Combinatorial Identity JO - Canadian journal of mathematics PY - 1999 SP - 1135 EP - 1148 VL - 51 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1999-050-x/ DO - 10.4153/CJM-1999-050-x ID - 10_4153_CJM_1999_050_x ER -