spies-2021-transfinite:
  type: article
  title: Transfinite step-indexing for termination
  author:
  - Spies, Simon
  - Krishnaswami, Neel
  - Dreyer, Derek
  date: 2021-01
  page-range: 1-29
  url: http://dx.doi.org/10.1145/3434294
  serial-number:
    doi: 10.1145/3434294
    issn: 2475-1421
  parent:
    type: periodical
    title: Proceedings of the ACM on Programming Languages
    publisher: Association for Computing Machinery (ACM)
    issue: POPL
    volume: 5