BibTeX

@ARTICLE{iumj18003,
    author = "Martin Schultz",
     title = "Quasi-Linear Elliptic Boundary Value Problems",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 18,
      year = 1969,
     issue = 1,
     pages = "21--25",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj18003}{article}{
     author = {Schultz, Martin},
      title = {Quasi-Linear Elliptic Boundary Value Problems},
    journal = {Indiana Univ. Math. J.},
     volume = {18},
       year = {1969},
     number = {1},
      pages = {21 \ndash 25},
}