@article{GDZPPN001261290, title = {Semigroups of measures in non-commutative analysis.}, journal = {Semigroup forum}, volume = {43}, year = {1991}, pages = {263-290}, zbl = {0734.43001}, url = {http://dml.mathdoc.fr/item/GDZPPN001261290} }
Jorgensen, P.E.T. Semigroups of measures in non-commutative analysis.. Semigroup forum, Tome 43 (1991) pp. 263-290. http://gdmltest.u-ga.fr/item/GDZPPN001261290/