BibTeX

@ARTICLE{iumj3975,
    author = "Todd Kapitula",
     title = "The Krein signature, Krein eigenvalues, and the Krein Oscillation Theorem",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 59,
      year = 2010,
     issue = 4,
     pages = "1245--1276",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "35P05; 47A56; 47B15;",
}

amsrefs

\bib{iumj3975}{article}{
     author = {Kapitula, Todd},
      title = {The Krein signature, Krein eigenvalues, and the Krein Oscillation Theorem},
    journal = {Indiana Univ. Math. J.},
     volume = {59},
       year = {2010},
     number = {4},
      pages = {1245 \ndash 1276},
}