BibTeX

@ARTICLE{iumj55021,
    author = "H. Weinberger",
     title = "An Isoperimetric Inequality for the N-Dimensional Free Membrane Problem",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 5,
      year = 1956,
     issue = 4,
     pages = "633--636",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj55021}{article}{
     author = {Weinberger, H.},
      title = {An Isoperimetric Inequality for the N-Dimensional Free Membrane Problem},
    journal = {Indiana Univ. Math. J.},
     volume = {5},
       year = {1956},
     number = {4},
      pages = {633 \ndash 636},
}