BibTeX

@ARTICLE{iumj57004,
    author = "Avner Friedman",
     title = "On the Regularity of the Solutions of Non-Linear Elliptic and Parabolic Systems of Partial Differential Equations",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 7,
      year = 1958,
     issue = 1,
     pages = "43--59",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj57004}{article}{
     author = {Friedman, Avner},
      title = {On the Regularity of the Solutions of Non-Linear Elliptic and Parabolic Systems of Partial Differential Equations},
    journal = {Indiana Univ. Math. J.},
     volume = {7},
       year = {1958},
     number = {1},
      pages = {43 \ndash 59},
}