BibTeX

@ARTICLE{iumj3645,
    author = "Masao Hirokawa",
     title = "The Dicke-type crossings among eigenvalues of differential operators in a class of non-commutative oscillators",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 58,
      year = 2009,
     issue = 4,
     pages = "1493--1536",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "34L05; 47A75; 81Q10;",
}

amsrefs

\bib{iumj3645}{article}{
     author = {Hirokawa, Masao},
      title = {The Dicke-type crossings among eigenvalues of differential operators in a class of non-commutative oscillators},
    journal = {Indiana Univ. Math. J.},
     volume = {58},
       year = {2009},
     number = {4},
      pages = {1493 \ndash 1536},
}