@article{GDZPPN002102625,
title = {Stable semi-groups of measures as commutative approximate identities on non-graded homogeneous groups.},
journal = {Inventiones mathematicae},
volume = {83},
year = {1986},
pages = {557-582},
zbl = {0595.43006},
url = {http://dml.mathdoc.fr/item/GDZPPN002102625}
}
Glowacki, Pawel. Stable semi-groups of measures as commutative approximate identities on non-graded homogeneous groups.. Inventiones mathematicae, Tome 83 (1986) pp. 557-582. http://gdmltest.u-ga.fr/item/GDZPPN002102625/