BibTeX

@ARTICLE{iumj31034,
    author = "George Gasper and Walter Trebels",
     title = "Necessary Conditions for Hankel Multipliers",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 31,
      year = 1982,
     issue = 3,
     pages = "403--414",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj31034}{article}{
     author = {Gasper, George},
     author = {Trebels, Walter},
      title = {Necessary Conditions for Hankel Multipliers},
    journal = {Indiana Univ. Math. J.},
     volume = {31},
       year = {1982},
     number = {3},
      pages = {403 \ndash 414},
}