BibTeX

@ARTICLE{iumj24034,
    author = "Z. Artstein",
     title = "On the Calculus of Closed Set-Valued Functions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 24,
      year = 1975,
     issue = 5,
     pages = "433--441",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj24034}{article}{
     author = {Artstein, Z.},
      title = {On the Calculus of Closed Set-Valued Functions},
    journal = {Indiana Univ. Math. J.},
     volume = {24},
       year = {1975},
     number = {5},
      pages = {433 \ndash 441},
}