BibTeX

@ARTICLE{iumj24081,
    author = "D. Hogan and C. Langenhop",
     title = "Invertibility in a Banach Algebra",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 24,
      year = 1975,
     issue = 10,
     pages = "965--977",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj24081}{article}{
     author = {Hogan, D.},
     author = {Langenhop, C.},
      title = {Invertibility in a Banach Algebra},
    journal = {Indiana Univ. Math. J.},
     volume = {24},
       year = {1975},
     number = {10},
      pages = {965 \ndash 977},
}