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 - 073 EP - 109 VL - 14 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2004_14_1_JLT_2004_14_1_a5/ ID - JLT_2004_14_1_JLT_2004_14_1_a5 ER -