BibTeX

@ARTICLE{iumj30023,
    author = "Gary Gundersen",
     title = "When Two Entire Functions and Also Their First Derivatives have the Same Zeros",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 30,
      year = 1981,
     issue = 2,
     pages = "293--303",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj30023}{article}{
     author = {Gundersen, Gary},
      title = {When Two Entire Functions and Also Their First Derivatives have the Same Zeros},
    journal = {Indiana Univ. Math. J.},
     volume = {30},
       year = {1981},
     number = {2},
      pages = {293 \ndash 303},
}