BibTeX

@ARTICLE{iumj2339,
    author = "Frederick Goodman",
     title = "$\mathbb{Z}_n$-graded independence",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 53,
      year = 2004,
     issue = 2,
     pages = "515--532",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "46L53; 05A18;",
}

amsrefs

\bib{iumj2339}{article}{
     author = {Goodman, Frederick},
      title = {$\mathbb{Z}_n$-graded independence},
    journal = {Indiana Univ. Math. J.},
     volume = {53},
       year = {2004},
     number = {2},
      pages = {515 \ndash 532},
}