BibTeX

@ARTICLE{iumj21032,
    author = "Hermann Flaschka",
     title = "Invariant Subspaces of Abstract Multiplication Operators",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 5,
     pages = "413--418",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21032}{article}{
     author = {Flaschka, Hermann},
      title = {Invariant Subspaces of Abstract Multiplication Operators},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {5},
      pages = {413 \ndash 418},
}