BibTeX

@ARTICLE{iumj56011,
    author = "Aidan Sims",
     title = "Secondary Conditions for Linear Differential Operators of the Second Order",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 6,
      year = 1957,
     issue = 2,
     pages = "247--285",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj56011}{article}{
     author = {Sims, Aidan},
      title = {Secondary Conditions for Linear Differential Operators of the Second Order},
    journal = {Indiana Univ. Math. J.},
     volume = {6},
       year = {1957},
     number = {2},
      pages = {247 \ndash 285},
}