BibTeX

@ARTICLE{iumj40045,
    author = "Gary Lieberman",
     title = "Regularity of Solutions to Some Degenerate Double Obstacle Problems",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 40,
      year = 1991,
     issue = 3,
     pages = "1009--1028",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj40045}{article}{
     author = {Lieberman, Gary},
      title = {Regularity of Solutions to Some Degenerate Double Obstacle Problems},
    journal = {Indiana Univ. Math. J.},
     volume = {40},
       year = {1991},
     number = {3},
      pages = {1009 \ndash 1028},
}