00345nam a2200133Ia 4500082001700000100002200017245004900039260002800088300000600116490003900122490004000161500000500201700000500206  a513bH473.ST  aHejhal, Dennis A.  aThe selberg trace formula for PSL (2, IR).b  aBerlinbSpringer-Verlag  a   aLecture notes in Mathematicsv 548  aLecture notes in Mathematicsv 1001  a  a