@article{10_21136_CMJ_1968_100858,
     author = {Luft, Erhard},
     title = {The two-sided closed ideals of the algebra of bounded linear operators of a {Hilbert} space},
     journal = {Czechoslovak Mathematical Journal},
     pages = {595--605},
     publisher = {mathdoc},
     volume = {18},
     number = {4},
     year = {1968},
     doi = {10.21136/CMJ.1968.100858},
     mrnumber = {0238086},
     zbl = {0197.11301},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1968.100858/}
}