@article{MS2_1977__41_166546,
     author = {Gert K. Pedersen and Charles A. Akemann},
     title = {Ideal perturbations of elements in {C*-Algebras.}},
     journal = {Mathematica Scandinavica},
     pages = {117--139},
     publisher = {mathdoc},
     volume = {41},
     year = {1977},
     zbl = {0377.46049},
     url = {http://geodesic.mathdoc.fr/item/MS2_1977__41_166546/}
}