@article{10_4064_sm_117_2_115_121,
     author = {Reiner Berntzen},
     title = {Accretive approximation in {C*-algebras}},
     journal = {Studia Mathematica},
     pages = {115--121},
     publisher = {mathdoc},
     volume = {117},
     number = {2},
     year = {1995},
     doi = {10.4064/sm-117-2-115-121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-117-2-115-121/}
}