BibTeX

@ARTICLE{iumj37019,
    author = "Michael Hoffman",
     title = "Homological Restrictions on Free Group Actions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 37,
      year = 1988,
     issue = 2,
     pages = "379--387",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj37019}{article}{
     author = {Hoffman, Michael},
      title = {Homological Restrictions on Free Group Actions},
    journal = {Indiana Univ. Math. J.},
     volume = {37},
       year = {1988},
     number = {2},
      pages = {379 \ndash 387},
}