TY - JOUR AU - Marina Ratner TI - Strict measure rigidity for unipotent subgroups of solvable groups. JO - Inventiones mathematicae PY - 1990 SP - 449 EP - 482 VL - 101 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1990__101_2_143812/ ID - IM_1990__101_2_143812 ER -