BibTeX

@ARTICLE{iumj19054,
    author = "P. Halmos and L. Wallen",
     title = "Powers of Partial Isometries",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 19,
      year = 1970,
     issue = 8,
     pages = "657--663",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj19054}{article}{
     author = {Halmos, P.},
     author = {Wallen, L.},
      title = {Powers of Partial Isometries},
    journal = {Indiana Univ. Math. J.},
     volume = {19},
       year = {1970},
     number = {8},
      pages = {657 \ndash 663},
}