BibTeX

@ARTICLE{iumj21083,
    author = "R. Douglas",
     title = "On the Invertibility of a Class of Toeplitz Operators on the Quarter-Plane",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 21,
      year = 1972,
     issue = 11,
     pages = "1031--1035",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj21083}{article}{
     author = {Douglas, R.},
      title = {On the Invertibility of a Class of Toeplitz Operators on the Quarter-Plane},
    journal = {Indiana Univ. Math. J.},
     volume = {21},
       year = {1972},
     number = {11},
      pages = {1031 \ndash 1035},
}