BibTeX

@ARTICLE{iumj1906,
    author = "Ivan Blank",
     title = "Sharp results for the regularity and stability of the free boundary in the obstacle problem",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 50,
      year = 2001,
     issue = 3,
     pages = "1077--1112",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35R35;",
}

amsrefs

\bib{iumj1906}{article}{
     author = {Blank, Ivan},
      title = {Sharp results for the regularity and stability of the free boundary in the obstacle problem},
    journal = {Indiana Univ. Math. J.},
     volume = {50},
       year = {2001},
     number = {3},
      pages = {1077 \ndash 1112},
}