BibTeX

@ARTICLE{iumj13040,
    author = "Joachim Nitsche",
     title = "A Necessary Criterion for the Existence of Certain Minimal Surfaces",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 13,
      year = 1964,
     issue = 4,
     pages = "659--666",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj13040}{article}{
     author = {Nitsche, Joachim},
      title = {A Necessary Criterion for the Existence of Certain Minimal Surfaces},
    journal = {Indiana Univ. Math. J.},
     volume = {13},
       year = {1964},
     number = {4},
      pages = {659 \ndash 666},
}