BibTeX

@ARTICLE{iumj3486,
    author = "Kenneth Davidson and Vern Paulsen and Mrinal Raghupathi and Dinesh Singh",
     title = "A constrained Nevanlinna-Pick interpolation problem",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 58,
      year = 2009,
     issue = 2,
     pages = "709--732",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "47A57;",
}

amsrefs

\bib{iumj3486}{article}{
     author = {Davidson, Kenneth},
     author = {Paulsen, Vern},
     author = {Raghupathi, Mrinal},
     author = {Singh, Dinesh},
      title = {A constrained Nevanlinna-Pick interpolation problem},
    journal = {Indiana Univ. Math. J.},
     volume = {58},
       year = {2009},
     number = {2},
      pages = {709 \ndash 732},
}