BibTeX

@ARTICLE{iumj26067,
    author = "Arthur Lubin",
     title = "Weighted Shifts and Products of Subnormal Operators",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 26,
      year = 1977,
     issue = 5,
     pages = "839--845",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj26067}{article}{
     author = {Lubin, Arthur},
      title = {Weighted Shifts and Products of Subnormal Operators},
    journal = {Indiana Univ. Math. J.},
     volume = {26},
       year = {1977},
     number = {5},
      pages = {839 \ndash 845},
}