BibTeX

@ARTICLE{iumj11008,
    author = "George Pimbley, Jr.",
     title = "A Sublinear Sturm Liouville Problem",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 11,
      year = 1962,
     issue = 1,
     pages = "121--138",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj11008}{article}{
     author = {Pimbley, Jr., George},
      title = {A Sublinear Sturm Liouville Problem},
    journal = {Indiana Univ. Math. J.},
     volume = {11},
       year = {1962},
     number = {1},
      pages = {121 \ndash 138},
}