BibTeX

@ARTICLE{iumj58023,
    author = "William Feller",
     title = "On the Equation of the Vibrating String",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 8,
      year = 1959,
     issue = 3,
     pages = "339--348",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj58023}{article}{
     author = {Feller, William},
      title = {On the Equation of the Vibrating String},
    journal = {Indiana Univ. Math. J.},
     volume = {8},
       year = {1959},
     number = {3},
      pages = {339 \ndash 348},
}