BibTeX

@ARTICLE{iumj3935,
    author = "Tiziana Giorgi and Rogert Smits",
     title = "Principal eigenvalue estimates via the supremum of torsion",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 59,
      year = 2010,
     issue = 3,
     pages = "987--1012",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35P15; 35J65; 60J65;",
}

amsrefs

\bib{iumj3935}{article}{
     author = {Giorgi, Tiziana},
     author = {Smits, Rogert},
      title = {Principal eigenvalue estimates via the supremum of torsion},
    journal = {Indiana Univ. Math. J.},
     volume = {59},
       year = {2010},
     number = {3},
      pages = {987 \ndash 1012},
}