During Cannot be Expressed by After

Pawel Urzyczyn. During Cannot be Expressed by After . J. Comput. Syst. Sci., 32(1):97-104, 1986.

@article{Urzyczyn86,
  title = { During  Cannot be Expressed by  After },
  author = {Pawel Urzyczyn},
  year = {1986},
  researchr = {https://researchr.org/publication/Urzyczyn86},
  cites = {0},
  citedby = {0},
  journal = {J. Comput. Syst. Sci.},
  volume = {32},
  number = {1},
  pages = {97-104},
}