BibTeX

@ARTICLE{iumj27019,
    author = "Pei Wu",
     title = "Hyperinvariant Subspaces of the Direct Sum of Certain Contractions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 27,
      year = 1978,
     issue = 2,
     pages = "267--274",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj27019}{article}{
     author = {Wu, Pei},
      title = {Hyperinvariant Subspaces of the Direct Sum of Certain Contractions},
    journal = {Indiana Univ. Math. J.},
     volume = {27},
       year = {1978},
     number = {2},
      pages = {267 \ndash 274},
}