BibTeX

@ARTICLE{iumj3539,
    author = "Chiara Bianchini and Marco Longinetti and Paolo Salani",
     title = "Quasiconcave solutions to elliptic problems in convex rings",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 58,
      year = 2009,
     issue = 4,
     pages = "1565--1590",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35J25; 35J65; 35B05;",
}

amsrefs

\bib{iumj3539}{article}{
     author = {Bianchini, Chiara},
     author = {Longinetti, Marco},
     author = {Salani, Paolo},
      title = {Quasiconcave solutions to elliptic problems in convex rings},
    journal = {Indiana Univ. Math. J.},
     volume = {58},
       year = {2009},
     number = {4},
      pages = {1565 \ndash 1590},
}