BibTeX

@ARTICLE{iumj58007,
    author = "E. Akutowicz and N. Wiener",
     title = "A Factorization of Positive Hermitian Matrices",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 8,
      year = 1959,
     issue = 1,
     pages = "111--120",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj58007}{article}{
     author = {Akutowicz, E.},
     author = {Wiener, N.},
      title = {A Factorization of Positive Hermitian Matrices},
    journal = {Indiana Univ. Math. J.},
     volume = {8},
       year = {1959},
     number = {1},
      pages = {111 \ndash 120},
}