BibTeX

@ARTICLE{iumj40067,
    author = "Alec Norton",
     title = "A C^{1\cross \infty} Function with an Interval of Critical Values",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 40,
      year = 1991,
     issue = 4,
     pages = "1483--1488",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj40067}{article}{
     author = {Norton, Alec},
      title = {A C^{1\cross \infty} Function with an Interval of Critical Values},
    journal = {Indiana Univ. Math. J.},
     volume = {40},
       year = {1991},
     number = {4},
      pages = {1483 \ndash 1488},
}