BibTeX

@ARTICLE{iumj22058,
    author = "C. Himmelberg and F. Van Vleck",
     title = "Extreme Points of Multifunctions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 22,
      year = 1973,
     issue = 8,
     pages = "719--729",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj22058}{article}{
     author = {Himmelberg, C.},
     author = {Vleck, F. Van},
      title = {Extreme Points of Multifunctions},
    journal = {Indiana Univ. Math. J.},
     volume = {22},
       year = {1973},
     number = {8},
      pages = {719 \ndash 729},
}