BibTeX

@ARTICLE{iumj56017,
    author = "Erwin Kreyszig",
     title = "Relations Between Properties of Solutions of Partial Differential Equations and the Coefficients of Their Power Series Development",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 6,
      year = 1957,
     issue = 3,
     pages = "361--381",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj56017}{article}{
     author = {Kreyszig, Erwin},
      title = {Relations Between Properties of Solutions of Partial Differential Equations and the Coefficients of Their Power Series Development},
    journal = {Indiana Univ. Math. J.},
     volume = {6},
       year = {1957},
     number = {3},
      pages = {361 \ndash 381},
}