BibTeX

@ARTICLE{iumj27016,
    author = "Richard Griego and Reuben Hersh",
     title = "Weyl's Theorem for Certain Operator-Valued Potentials",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 27,
      year = 1978,
     issue = 2,
     pages = "195--209",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj27016}{article}{
     author = {Griego, Richard},
     author = {Hersh, Reuben},
      title = {Weyl's Theorem for Certain Operator-Valued Potentials},
    journal = {Indiana Univ. Math. J.},
     volume = {27},
       year = {1978},
     number = {2},
      pages = {195 \ndash 209},
}