BibTeX

@ARTICLE{iumj22035,
    author = "J. William Helton",
     title = "The Characteristic Functions of Operator Theory and Electrical Network Realization",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 22,
      year = 1973,
     issue = 5,
     pages = "403--414",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj22035}{article}{
     author = {Helton, J. William},
      title = {The Characteristic Functions of Operator Theory and Electrical Network Realization},
    journal = {Indiana Univ. Math. J.},
     volume = {22},
       year = {1973},
     number = {5},
      pages = {403 \ndash 414},
}