BibTeX

@ARTICLE{iumj42071,
    author = "Patrick Ahern and Walter Rudin",
     title = "Smoothness at Infinity",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 42,
      year = 1993,
     issue = 4,
     pages = "1555--1561",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj42071}{article}{
     author = {Ahern, Patrick},
     author = {Rudin, Walter},
      title = {Smoothness at Infinity},
    journal = {Indiana Univ. Math. J.},
     volume = {42},
       year = {1993},
     number = {4},
      pages = {1555 \ndash 1561},
}