BibTeX

@ARTICLE{iumj21005,
    author = "G. Edgar and J. Ernest and S. Lee",
     title = "Weighing Operator Spectra",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 1,
     pages = "61--80",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21005}{article}{
     author = {Edgar, G.},
     author = {Ernest, J.},
     author = {Lee, S.},
      title = {Weighing Operator Spectra},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {1},
      pages = {61 \ndash 80},
}