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@article{SF_1991__43_3_135115, author = {P.E.T. Jorgensen}, title = {Semigroups of measures in non-commutative analysis.}, journal = {Semigroup forum}, pages = {263--290}, publisher = {mathdoc}, volume = {43}, number = {3}, year = {1991}, zbl = {0734.43001}, url = {http://geodesic.mathdoc.fr/item/SF_1991__43_3_135115/} }
P.E.T. Jorgensen. Semigroups of measures in non-commutative analysis.. Semigroup forum, Tome 43 (1991) no. 3, pp. 263-290. http://geodesic.mathdoc.fr/item/SF_1991__43_3_135115/