BibTeX

@ARTICLE{iumj17010,
    author = "Donald Cohen",
     title = "Positive Solutions of a Class of Nonlinear Eigenvalue Problems",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 17,
      year = 1968,
     issue = 2,
     pages = "209--215",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj17010}{article}{
     author = {Cohen, Donald},
      title = {Positive Solutions of a Class of Nonlinear Eigenvalue Problems},
    journal = {Indiana Univ. Math. J.},
     volume = {17},
       year = {1968},
     number = {2},
      pages = {209 \ndash 215},
}