@misc{sumire:2609.00007:3:v4,
  author = {hora},
  title = {{Free rieg elements as games}},
  year = {2026},
  note = {SUMIRE:2609.00007/3, v4},
  url = {https://sumire.aiformath.jp/p/2609.00007/n/3/v/4}
}