@article{GDZPPN002354578, title = {Ideal perturbations of elements in C*-Algebras.}, journal = {Mathematica Scandinavica}, volume = {40}, year = {1977}, pages = {117-139}, zbl = {0377.46049}, url = {http://dml.mathdoc.fr/item/GDZPPN002354578} }
Pedersen, Gert K.; Akemann, Charles A. Ideal perturbations of elements in C*-Algebras.. Mathematica Scandinavica, Tome 40 (1977) pp. 117-139. http://gdmltest.u-ga.fr/item/GDZPPN002354578/