@article{1077469697,
author = {Collins, H. S.},
title = {The kernel of a semigroup of measures},
journal = {Duke Math. J.},
volume = {28},
number = {1},
year = {1961},
pages = { 387-392},
language = {en},
url = {http://dml.mathdoc.fr/item/1077469697}
}
Collins, H. S. The kernel of a semigroup of measures. Duke Math. J., Tome 28 (1961) no. 1, pp. 387-392. http://gdmltest.u-ga.fr/item/1077469697/