BibTeX

@ARTICLE{iumj54014,
    author = "J. Levin",
     title = "First Order Partial Differential Equations Containing a Small Parameter",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 4,
      year = 1955,
     issue = 3,
     pages = "481--501",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj54014}{article}{
     author = {Levin, J.},
      title = {First Order Partial Differential Equations Containing a Small Parameter},
    journal = {Indiana Univ. Math. J.},
     volume = {4},
       year = {1955},
     number = {3},
      pages = {481 \ndash 501},
}