TY - JOUR AU - H. Abels AU - E. B. Vinberg TI - On Free Two-Step Nilpotent Lie Semigroups and Inequalities between Random Variables JO - Journal of Lie Theory PY - 2019 SP - 79 EP - 87 VL - 29 IS - 1 UR - http://geodesic.mathdoc.fr/item/JOLT_2019_29_1_a1/ ID - JOLT_2019_29_1_a1 ER -