@article{10_4064_sm_108_1_87_102,
     author = {Timothy Randolph and Paul Patterson},
     title = {Semigroups affiliated with algebras of operators},
     journal = {Studia Mathematica},
     pages = {87--102},
     publisher = {mathdoc},
     volume = {108},
     number = {1},
     year = {1994},
     doi = {10.4064/sm-108-1-87-102},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-108-1-87-102/}
}