BibTeX

@ARTICLE{iumj22014,
    author = "J. Stampfli",
     title = "A Local Spectral Theory for Operators IV; Invariant Subspaces",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 22,
      year = 1973,
     issue = 2,
     pages = "159--167",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj22014}{article}{
     author = {Stampfli, J.},
      title = {A Local Spectral Theory for Operators IV; Invariant Subspaces},
    journal = {Indiana Univ. Math. J.},
     volume = {22},
       year = {1973},
     number = {2},
      pages = {159 \ndash 167},
}