BibTeX

@ARTICLE{iumj5652,
    author = "Almut Burchard and Adele Ferone",
     title = "On the extremals of the Polya-Szego inequality",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 64,
      year = 2015,
     issue = 5,
     pages = "1447--1463",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "26D15;",
}

amsrefs

\bib{iumj5652}{article}{
     author = {Burchard, Almut},
     author = {Ferone, Adele},
      title = {On the extremals of the Polya-Szego inequality},
    journal = {Indiana Univ. Math. J.},
     volume = {64},
       year = {2015},
     number = {5},
      pages = {1447 \ndash 1463},
}