BibTeX

@ARTICLE{iumj18080,
    author = "Theodore Laetsch",
     title = "A Note on a Paper of Keller and Cohen",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 18,
      year = 1969,
     issue = 11,
     pages = "1095--1100",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj18080}{article}{
     author = {Laetsch, Theodore},
      title = {A Note on a Paper of Keller and Cohen},
    journal = {Indiana Univ. Math. J.},
     volume = {18},
       year = {1969},
     number = {11},
      pages = {1095 \ndash 1100},
}