BibTeX

@ARTICLE{iumj24067,
    author = "Domingo Herrero",
     title = "Toward a Spectral Characterization of the Set of Norm Limits of Nilpotent Operators of Norm Limits of Nilpotent Operators",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 24,
      year = 1975,
     issue = 9,
     pages = "847--864",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj24067}{article}{
     author = {Herrero, Domingo},
      title = {Toward a Spectral Characterization of the Set of Norm Limits of Nilpotent Operators of Norm Limits of Nilpotent Operators},
    journal = {Indiana Univ. Math. J.},
     volume = {24},
       year = {1975},
     number = {9},
      pages = {847 \ndash 864},
}