@article{10_4064_sm208_1_5,
     author = {Piotr Niemiec},
     title = {Borel parts of the spectrum of an operator
 and of the operator algebra of a separable {Hilbert} space},
     journal = {Studia Mathematica},
     pages = {77--85},
     publisher = {mathdoc},
     volume = {208},
     number = {1},
     year = {2012},
     doi = {10.4064/sm208-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm208-1-5/}
}