BibTeX

@ARTICLE{iumj27023,
    author = "Richard Bouldin",
     title = "Self-Adjoint Approximants",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 27,
      year = 1978,
     issue = 2,
     pages = "299--307",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj27023}{article}{
     author = {Bouldin, Richard},
      title = {Self-Adjoint Approximants},
    journal = {Indiana Univ. Math. J.},
     volume = {27},
       year = {1978},
     number = {2},
      pages = {299 \ndash 307},
}