hinze-2013-adjoint:
  type: article
  title: Adjoint folds and unfolds—An extended study
  author: Hinze, Ralf
  date: 2013-11
  page-range: 2108-2159
  url: http://dx.doi.org/10.1016/j.scico.2012.07.011
  serial-number:
    doi: 10.1016/j.scico.2012.07.011
    issn: 0167-6423
  parent:
    type: periodical
    title: Science of Computer Programming
    publisher: Elsevier BV
    issue: 11
    volume: 78