TY - DATA AU - Dennis A. Hejhal TI - The Selberg Trace Formula for PSL (2,R) T2 - Lecture Notes in Mathematics SN - 9783540409144 PY - 1983/// CY - Heidelberg PB - Springer Berlin KW - Mathematics and Statistics UR - https://doi.org/10.1007/BFb0061302 ER -