1. [1]1 J. Arthur, The Selberg trace formula for groups of $F$-rank one, Ann. of Math. (2) 100 (1974), 326–385.
2. [1]2 J. Arthur, The characters of discrete series as orbital integrals, Invent. Math. 32 (1976), no. 3, 205–261.
3. [1]3 J. Arthur, Eisenstein series and the trace formula, to appear in Automorphic Forms, Representations and $L$-functions, Amer. Math. Soc.
4. [2] M. Duflo and J. P. Labesse, Sur la formule des traces de Selberg, Ann. Sci. École Norm. Sup. (4) 4 (1971), 193–284.
5. [3] Harish-Ghandra, Automorphic forms on semisimple Lie groups, Springer-Verlag, 1968.