TY - JOUR AU - J. D. Lawson TI - Maximal Ol'shanskii Semigroups JO - Journal of Lie Theory PY - 1994 SP - 17 EP - 30 VL - 4 IS - 1 UR - https://jolt.centre-mersenne.org/articles/10.5802/jolt.72/ DO - 10.5802/jolt.72 ID - JOLT_1994_4_1_a1 ER -