BibTeX

@ARTICLE{iumj15043,
    author = "J. Folkman",
     title = "The Homology Groups of a Lattice",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 15,
      year = 1966,
     issue = 4,
     pages = "631--636",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj15043}{article}{
     author = {Folkman, J.},
      title = {The Homology Groups of a Lattice},
    journal = {Indiana Univ. Math. J.},
     volume = {15},
       year = {1966},
     number = {4},
      pages = {631 \ndash 636},
}