BibTeX

@ARTICLE{iumj12052,
    author = "Unknown",
     title = "Minimal Sets of Modifications",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 12,
      year = 1963,
     issue = 5,
     pages = "751--769",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj12052}{article}{
      title = {Minimal Sets of Modifications},
    journal = {Indiana Univ. Math. J.},
     volume = {12},
       year = {1963},
     number = {5},
      pages = {751 \ndash 769},
}