@article{10_4064_sm155_3_4,
     author = {Pascale Vitse},
     title = {Smooth operators in the commutant of a contraction},
     journal = {Studia Mathematica},
     pages = {241--263},
     publisher = {mathdoc},
     volume = {155},
     number = {3},
     year = {2003},
     doi = {10.4064/sm155-3-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm155-3-4/}
}