TY - JOUR AU - Pawel Glowacki TI - Stable semi-groups of measures as commutative approximate identities on non-graded homogeneous groups. JO - Inventiones mathematicae PY - 1986 SP - 557 EP - 582 VL - 83 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1986__83_143328/ ID - IM_1986__83_143328 ER -