@article{10_4064_sm_113_2_169_175,
     author = {Christoph Schmoeger},
     title = {The stability radius of an operator of {Saphar} type},
     journal = {Studia Mathematica},
     pages = {169--175},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1995},
     doi = {10.4064/sm-113-2-169-175},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-113-2-169-175/}
}