BibTeX

@ARTICLE{iumj22094,
    author = "Marvin Marcus",
     title = "Derivations, Plucker Relations, and the Numerical Range",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 22,
      year = 1973,
     issue = 12,
     pages = "1137--1149",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj22094}{article}{
     author = {Marcus, Marvin},
      title = {Derivations, Plucker Relations, and the Numerical Range},
    journal = {Indiana Univ. Math. J.},
     volume = {22},
       year = {1973},
     number = {12},
      pages = {1137 \ndash 1149},
}