BibTeX

@ARTICLE{iumj1921,
    author = "Nathan Feldman",
     title = "Regularity of Lipschitz free boundaries in two-phase problems for fully nonlinear elliptic equations",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 50,
      year = 2001,
     issue = 3,
     pages = "1171--1200",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35R35; 35J60; 35B05;",
}

amsrefs

\bib{iumj1921}{article}{
     author = {Feldman, Nathan},
      title = {Regularity of Lipschitz free boundaries in two-phase problems for fully nonlinear elliptic equations},
    journal = {Indiana Univ. Math. J.},
     volume = {50},
       year = {2001},
     number = {3},
      pages = {1171 \ndash 1200},
}