BibTeX

@ARTICLE{iumj31043,
    author = "Harry Dym and I. Gohberg",
     title = "Extensions of Triangular Operators and Matrix Functions",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 31,
      year = 1982,
     issue = 4,
     pages = "579--606",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj31043}{article}{
     author = {Dym, Harry},
     author = {Gohberg, I.},
      title = {Extensions of Triangular Operators and Matrix Functions},
    journal = {Indiana Univ. Math. J.},
     volume = {31},
       year = {1982},
     number = {4},
      pages = {579 \ndash 606},
}