%0 Journal Article %A Berndt Brenken %T Ordered $*$-Semigroups and a $C^*$-Correspondence for a Partial Isometry %J Symmetry, integrability and geometry: methods and applications %D 2014 %V 10 %U http://geodesic.mathdoc.fr/item/SIGMA_2014_10_a54/ %G en %F SIGMA_2014_10_a54