BibTeX

@ARTICLE{iumj11018,
    author = "Joachim Nitsche",
     title = "A Characterization of the Catenoid",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 11,
      year = 1962,
     issue = 2,
     pages = "293--301",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj11018}{article}{
     author = {Nitsche, Joachim},
      title = {A Characterization of the Catenoid},
    journal = {Indiana Univ. Math. J.},
     volume = {11},
       year = {1962},
     number = {2},
      pages = {293 \ndash 301},
}