How faithfully can π be interpreted in SA?

Huan Long, Yuxi Fu. How faithfully can π be interpreted in SA?. Science in China Series F: Information Sciences, 56(3):1-15, 2013. [doi]

@article{LongF13,
  title = {How faithfully can π be interpreted in SA?},
  author = {Huan Long and Yuxi Fu},
  year = {2013},
  doi = {10.1007/s11432-012-4663-y},
  url = {http://dx.doi.org/10.1007/s11432-012-4663-y},
  researchr = {https://researchr.org/publication/LongF13},
  cites = {0},
  citedby = {0},
  journal = {Science in China Series F: Information Sciences},
  volume = {56},
  number = {3},
  pages = {1-15},
}