@article{SIGMA_2014_10_a54,
     author = {Berndt Brenken},
     title = {Ordered $*${-Semigroups} and a~$C^*${-Correspondence} for {a~Partial} {Isometry}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2014},
     volume = {10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2014_10_a54/}
}