BibTeX

@ARTICLE{iumj4172,
    author = "Valentino Magnani",
     title = "Area implies coarea",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 60,
      year = 2011,
     issue = 1,
     pages = "77--100",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "28A75; 22E25;",
}

amsrefs

\bib{iumj4172}{article}{
     author = {Magnani, Valentino},
      title = {Area implies coarea},
    journal = {Indiana Univ. Math. J.},
     volume = {60},
       year = {2011},
     number = {1},
      pages = {77 \ndash 100},
}