BibTeX

@ARTICLE{iumj2808,
    author = "Rodrigo Banuelos and Michael Pang",
     title = "Level sets of Neumann eigenfunctions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 55,
      year = 2006,
     issue = 3,
     pages = "923--940",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35P05; 35J25; 35J05;",
}

amsrefs

\bib{iumj2808}{article}{
     author = {Banuelos, Rodrigo},
     author = {Pang, Michael},
      title = {Level sets of Neumann eigenfunctions},
    journal = {Indiana Univ. Math. J.},
     volume = {55},
       year = {2006},
     number = {3},
      pages = {923 \ndash 940},
}