BibTeX

@ARTICLE{iumj21061,
    author = "C. Putnam",
     title = "Trace Norm Inequalities for the Measure of Hyponormal Spectra",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 8,
     pages = "775--779",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21061}{article}{
     author = {Putnam, C.},
      title = {Trace Norm Inequalities for the Measure of Hyponormal Spectra},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {8},
      pages = {775 \ndash 779},
}