TY - JOUR AU - B. E. Breckner AU - W. A. F. Ruppert TI - On Compactification Lattices of Subsemigroups of SL(2, R) JO - Journal of Lie Theory PY - 2004 SP - 73 EP - 109 VL - 14 IS - 1 UR - https://jolt.centre-mersenne.org/articles/10.5802/jolt.329/ DO - 10.5802/jolt.329 ID - JOLT_2004_14_1_a5 ER -