BibTeX

@ARTICLE{iumj4753,
    author = "Lavi Karp and Avmir Margulis",
     title = "Null quadrature domains and a free boundary problem for the Laplacian",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 61,
      year = 2012,
     issue = 2,
     pages = "859--882",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35J25; 31B20; 35B65; 31C15;",
}

amsrefs

\bib{iumj4753}{article}{
     author = {Karp, Lavi},
     author = {Margulis, Avmir},
      title = {Null quadrature domains and a free boundary problem for the Laplacian},
    journal = {Indiana Univ. Math. J.},
     volume = {61},
       year = {2012},
     number = {2},
      pages = {859 \ndash 882},
}