BibTeX

@ARTICLE{iumj55030,
    author = "Erwin Kreyszig",
     title = "On Certain Partial Differential Equations and Their Singularities",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 5,
      year = 1956,
     issue = 5,
     pages = "805--820",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj55030}{article}{
     author = {Kreyszig, Erwin},
      title = {On Certain Partial Differential Equations and Their Singularities},
    journal = {Indiana Univ. Math. J.},
     volume = {5},
       year = {1956},
     number = {5},
      pages = {805 \ndash 820},
}