BibTeX

@ARTICLE{iumj35031,
    author = "Avner Friedman and Makoto Sakai",
     title = "A Characterization of Null Quadrature Domains in R^N",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 35,
      year = 1986,
     issue = 3,
     pages = "607--610",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj35031}{article}{
     author = {Friedman, Avner},
     author = {Sakai, Makoto},
      title = {A Characterization of Null Quadrature Domains in R^N},
    journal = {Indiana Univ. Math. J.},
     volume = {35},
       year = {1986},
     number = {3},
      pages = {607 \ndash 610},
}